NIOSH Pocket Guide to Chemical Hazards


INDEX of Chemical Names


GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0001   Acetaldehyde                             75-07-0     AB1925000 
0002   Acetic acid                              64-19-7     AF1225000 
0003   Acetic anhydride                         108-24-7    AK1925000 
0004   Acetone                                  67-64-1     AL3150000 
0005   Acetone cyanohydrin                      75-86-5     OD9275000 
0006   Acetonitrile                             75-05-8     AL7700000 
0007   2-Acetylaminofluorene                    53-96-3     AB9450000 
0008   Acetylene                                74-86-2     AO9600000 
0009   Acetylene tetrabromide                   79-27-6     KI8225000 
0010   Acetylsalicyclic acid                    50-78-2     VO0700000 
0011   Acrolein                                 107-02-8    AS1050000 
0012   Acrylamide                               79-06-1     AS3325000 
0013   Acrylic acid                             79-10-7     AS4375000 
0014   Acrylonitrile                            107-13-1    AT5250000 
0015   Adiponitrile                             111-69-3    AV2625000 
0016   Aldrin                                   309-00-2    IO2100000 
0017   Allyl alcohol                            107-18-6    BA5075000 
0018   Allyl chloride                           107-05-1    UC7350000 
0019   Allyl glycidyl ether                     106-92-3    RR0875000 
0020   Allyl propyl disulfide                   2179-59-1   JO0350000 
0021   alpha-Alumina                            1344-28-1   BD1200000 
0022   Aluminum                                 7429-90-5   BD0330000 
0023   Aluminum (pyro powders and welding fumes                       
0024   Aluminum (soluble salts and alkyls, as A                       
0025   4-Aminodiphenyl                          92-67-1     DU8925000 
0026   2-Aminopyridine                          504-29-0    US1575000 
0027   Amitrole                                 61-82-5     XZ3850000 
0028   Ammonia                                  7664-41-7   BO0875000 
0029   Ammonium chloride fume                   12125-02-9  BP4550000 
0030   Ammonium sulfamate                       7773-06-0   WO6125000 
0031   n-Amyl acetate                           628-63-7    AJ1925000 
0032   sec-Amyl acetate                         626-38-0    AJ2100000 
0033   Aniline (and homologs)                   62-53-3     BW6650000 
0034   o-Anisidine                              90-04-0     BZ5410000 
0035   p-Anisidine                              104-94-9    BZ5450000 
0036   Antimony                                 7440-36-0   CC4025000 
0037   ANTU                                     86-88-4     YT9275000 
0038   Arsenic (inorganic compounds, as As)     7440-38-2   CG0525000 
0039   Arsenic, organic compounds (as As)                             
0040   Arsine                                   7784-42-1   CG6475000 
0041   Asbestos                                 1332-21-4   CI6475000 
0042   Asphalt fumes                            8052-42-4   CI9900000 
0043   Atrazine                                 1912-24-9   XY5600000 
0044   Azinphos-methyl                          86-50-0     TE1925000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0045   Barium chloride (as Ba)                  10361-37-2  CQ8750000 
0046   Barium nitrate (as Ba)                   10022-31-8  CQ9625000 
0047   Barium sulfate                           7727-43-7   CR0600000 
0048   Benomyl                                  17804-35-2  DD6475000 
0049   Benzene                                  71-43-2     CY1400000 
0050   Benzenethiol                             108-98-5    DC0525000 
0051   Benzidine                                92-87-5     DC9625000 
0052   Benzoyl peroxide                         94-36-0     DM8575000 
0053   Benzyl chloride                          100-44-7    XS8925000 
0054   Beryllium & beryllium compounds (as Be)  7440-41-7   DS1750000 
0055   Bismuth telluride, doped with Selenium s                       
0056   Bismuth telluride, undoped               1304-82-1   EB3110000 
0057   Borates, tetra, sodium salts (Anhydrous) 1330-43-4   ED4588000 
0058   Borates, tetra, sodium salts (Decahydrat 1303-96-4   VZ2275000 
0059   Borates, tetra, sodium salts (Pentahydra 12179-04-3            
0060   Boron oxide                              1303-86-2   ED7900000 
0061   Boron tribromide                         10294-33-4  ED7400000 
0062   Boron trifluoride                        7637-07-2   ED2275000 
0063   Bromacil                                 314-40-9    YQ9100000 
0064   Bromine                                  7726-95-6   EF9100000 
0065   Bromine pentafluoride                    7789-30-2   EF9350000 
0066   Bromoform                                75-25-2     PB5600000 
0067   1,3-Butadiene                            106-99-0    EI9275000 
0068   n-Butane                                 106-97-8    EJ4200000 
0069   2-Butanone                               78-93-3     EL6475000 
0070   2-Butoxyethanol                          111-76-2    KJ8575000 
0071   2-Butoxyethanol acetate                  112-07-2    KJ8925000 
0072   n-Butyl acetate                          123-86-4    AF7350000 
0073   sec-Butyl acetate                        105-46-4    AF7380000 
0074   tert-Butyl acetate                       540-88-5    AF7400000 
0075   Butyl acrylate                           141-32-2    UD3150000 
0076   n-Butyl alcohol                          71-36-3     EO1400000 
0077   sec-Butyl alcohol                        78-92-2     EO1750000 
0078   tert-Butyl alcohol                       75-65-0     EO1925000 
0079   n-Butylamine                             109-73-9    EO2975000 
0080   tert-Butyl chromate                      1189-85-1   GB2900000 
0081   n-Butyl glycidyl ether                   2426-08-6   TX4200000 
0082   n-Butyl lactate                          138-22-7    OD4025000 
0083   n-Butyl mercaptan                        109-79-5    EK6300000 
0084   o-sec-Butylphenol                        89-72-5     SJ8920000 
0085   p-tert-Butyltoluene                      98-51-1     XS8400000 
0086   n-Butyronitrile                          109-74-0    ET8750000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0087   Cadmium dust (as Cd)                     7440-43-9   EU9800000 
0088   Cadmium fume (as Cd)                     1306-19-0   EV1930000 
0089   Calcium arsenate (as As)                 7778-44-1   CG0830000 
0090   Calcium carbonate                        1317-65-3   EV9580000 
0091   Calcium cyanamide                        156-62-7    GS6000000 
0092   Calcium hydroxide                        1305-62-0   EW2800000 
0093   Calcium oxide                            1305-78-8   EW3100000 
0094   Calcium silicate                         1344-95-2   VV9150000 
0095   Calcium sulfate                          7778-18-9   WS6920000 
0096   Camphor (synthetic)                      76-22-2     EX1225000 
0097   Caprolactam                              105-60-2    CM3675000 
0098   Captafol                                 2425-06-1   GS4900000 
0099   Captan                                   133-06-2    GW5075000 
0100   Carbaryl                                 63-25-2     FC5950000 
0101   Carbofuran                               1563-66-2   FB9450000 
0102   Carbon black                             1333-86-4   FF5800000 
0103   Carbon dioxide                           124-38-9    FF6400000 
0104   Carbon disulfide                         75-15-0     FF6650000 
0105   Carbon monoxide                          630-08-0    FG3500000 
0106   Carbon tetrabromide                      558-13-4    FG4725000 
0107   Carbon tetrachloride                     56-23-5     FG4900000 
0108   Carbonyl fluoride                        353-50-4    FG6125000 
0109   Catechol                                 120-80-9    UX1050000 
0110   Cellulose                                9004-34-6   FJ5691460 
0111   Cesium hydroxide                         21351-79-1  FK9800000 
0112   Chlordane                                57-74-9     PB9800000 
0113   Chlorinated camphene                     8001-35-2   XW5250000 
0114   Chlorinated diphenyl oxide                                     
0115   Chlorine                                 7782-50-5   FO2100000 
0116   Chlorine dioxide                         10049-04-4  FO3000000 
0117   Chlorine trifluoride                     7790-91-2   FO2800000 
0118   Chloroacetaldehyde                       107-20-0    AB2450000 
0119   alpha-Chloroacetophenone                 532-27-4    AM6300000 
0120   Chloroacetyl chloride                    79-04-9     AO6475000 
0121   Chlorobenzene                            108-90-7    CZ0175000 
0122   o-Chlorobenzylidene malononitrile        2698-41-1   OO3675000 
0123   Chlorobromomethane                       74-97-5     PA5250000 
0124   Chlorodifluoromethane                    75-45-6     PA6390000 
0125   Chlorodiphenyl (42% chlorine)            53469-21-9  TQ1356000 
0126   Chlorodiphenyl (54% chlorine)            11097-69-1  TQ1360000 
0127   Chloroform                               67-66-3     FS9100000 
0128   bis-Chloromethyl ether                   542-88-1    KN1575000 
0129   Chloromethyl methyl ether                107-30-2    KN6650000 
0130   1-Chloro-1-nitropropane                  600-25-9    TX5075000 
0131   Chloropentafluoroethane                  76-15-3     KH7877500 
0132   Chloropicrin                             76-06-2     PB6300000 
0133   beta-Chloroprene                         126-99-8    EI9625000 
0134   o-Chlorostyrene                          2039-87-4   WL4160000 
0135   o-Chlorotoluene                          95-49-8     XS9000000 
0136   2-Chloro-6-trichloromethyl pyridine      1929-82-4   US7525000 
0137   Chlorpyrifos                             2921-88-2   TF6300000 
0138   Chromic acid and chromates               1333-82-0   GB6650000 
0139   Chromium(II) compounds (as Cr)                                 
0140   Chromium(III) compounds (as Cr)                                
0141   Chromium metal                           7440-47-3   GB4200000 
0142   Chromyl chloride                         14977-61-8  GB5775000 
0143   Clopidol                                 2971-90-6   UU7711500 
0144   Coal dust                                            GF8281000 
0145   Coal tar pitch volatiles                 65996-93-2  GF8655000 
0146   Cobalt metal dust and fume (as Co)       7440-48-4   GF8750000 
0147   Cobalt carbonyl (as Co)                  10210-68-1  GG0300000 
0148   Cobalt hydrocarbonyl (as Co)             16842-03-8  GG0900000 
0149   Coke oven emissions                                  GH0346000 
0150   Copper (dusts and mists, as Cu)          7440-50-8   GL5325000 
0151   Copper fume (as Cu)                      1317-38-0   GL7900000 
0152   Cotton dust (raw)                                    GN2275000 
0153   Crag® herbicide                          136-78-7    KK4900000 
0154   o-Cresol                                 95-48-7     GO6300000 
0155   m-Cresol                                 108-39-4    GO6125000 
0156   p-Cresol                                 106-44-5    GO6475000 
0157   Crotonaldehyde                           4170-30-3   GP9499000 
0158   Crufomate                                299-86-5    TB3850000 
0159   Cumene                                   98-82-8     GR8575000 
0160   Cyanamide                                420-04-2    GS5950000 
0161   Cyanogen                                 460-19-5    GT1925000 
0162   Cyanogen chloride                        506-77-4    GT2275000 
0163   Cyclohexane                              110-82-7    GU6300000 
0164   Cyclohexanethiol                         1569-69-3   GV7525000 
0165   Cyclohexanol                             108-93-0    GV7875000 
0166   Cyclohexanone                            108-94-1    GW1050000 
0167   Cyclohexene                              110-83-8    GW2500000 
0168   Cyclohexylamine                          108-91-8    GX0700000 
0169   Cyclonite                                121-82-4    XY9450000 
0170   Cyclopentadiene                          542-92-7    GY1000000 
0171   Cyclopentane                             287-92-3    GY2390000 
0172   Cyhexatin                                13121-70-5  WH8750000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0173   2,4-D                                    94-75-7     AG6825000 
0174   DDT                                      50-29-3     KJ3325000 
0175   Decaborane                               17702-41-9  HD1400000 
0176   1-Decanethiol                            143-10-2              
0177   Demeton                                  8065-48-3   TF3150000 
0178   Diacetone alcohol                        123-42-2    SA9100000 
0179   2,4-Diaminoanisole (and its salts)       615-05-4    BZ8580500 
0180   o-Dianisidine                            119-90-4    DD0875000 
0181   Diazinon®                                333-41-5    TF3325000 
0182   Diazomethane                             334-88-3    PA7000000 
0183   Diborane                                 19287-45-7  HQ9275000 
0184   1,2-Dibromo-3-chloropropane              96-12-8     TX8750000 
0185   2-N-Dibutylaminoethanol                  102-81-8    KK3850000 
0186   Dibutyl phosphate                        107-66-4    TB9605000 
0187   Dibutyl phthalate                        84-74-2     TI0875000 
0188   Dichloroacetylene                        7572-29-4   AP1080000 
0189   o-Dichlorobenzene                        95-50-1     CZ4500000 
0190   p-Dichlorobenzene                        106-46-7    CZ4550000 
0191   3,3'-Dichlorobenzidine (and its salts)   91-94-1     DD0525000 
0192   Dichlorodifluoromethane                  75-71-8     PA8200000 
0193   1,3-Dichloro-5,5-dimethylhydantoin       118-52-5    MU0700000 
0194   1,1-Dichloroethane                       75-34-3     KI0175000 
0195   1,2-Dichloroethylene                     540-59-0    KV9360000 
0196   Dichloroethyl ether                      111-44-4    KN0875000 
0197   Dichloromonofluoromethane                75-43-4     PA8400000 
0198   1,1-Dichloro-1-nitroethane               594-72-9    KI1050000 
0199   1,3-Dichloropropene                      542-75-6    UC8310000 
0200   2,2-Dichloropropionic acid               75-99-0     UF0690000 
0201   Dichlorotetrafluoroethane                76-14-2     KI1101000 
0202   Dichlorvos                               62-73-7     TC0350000 
0203   Dicrotophos                              141-66-2    TC3850000 
0204   Dicyclopentadiene                        77-73-6     PC1050000 
0205   Dicyclopentadienyl iron                  102-54-5    LK0700000 
0206   Dieldrin                                 60-57-1     IO1750000 
0207   Diesel exhaust                                                 
0208   Diethanolamine                           111-42-2    KL2975000 
0209   Diethylamine                             109-89-7    HZ8750000 
0210   2-Diethylaminoethanol                    100-37-8    KK5075000 
0211   Diethylenetriamine                       111-40-0    IE1225000 
0212   Diethyl ketone                           96-22-0     SA8050000 
0213   Diethyl phthalate                        84-66-2     TI1050000 
0214   Difluorodibromomethane                   75-61-6     PA7525000 
0215   Diglycidyl ether                         2238-07-5   KN2350000 
0216   Diisobutyl ketone                        108-83-8    MJ5775000 
0217   Diisopropylamine                         108-18-9    IM4025000 
0218   Dimethyl acetamide                       127-19-5    AB7700000 
0219   Dimethylamine                            124-40-3    IP8750000 
0220   4-Dimethylaminoazobenzene                60-11-7     BX7350000 
0221   bis(2-(Dimethylamino)ethyl)ether         3033-62-3   KR9460000 
0222   Dimethylaminopropionitrile               1738-25-6   UG1575000 
0223   N,N-Dimethylaniline                      121-69-7    BX4725000 
0224   Dimethyl carbamoyl chloride              79-44-7     FD4200000 
0225   Dimethyl-1,2-dibromo-2,2-dichlorethyl ph 300-76-5    TB9450000 
0226   Dimethylformamide                        68-12-2     LQ2100000 
0227   1,1-Dimethylhydrazine                    57-14-7     MV2450000 
0228   Dimethylphthalate                        131-11-3    TI1575000 
0229   Dimethyl sulfate                         77-78-1     WS8225000 
0230   Dinitolmide                              148-01-6    XS4200000 
0231   o-Dinitrobenzene                         528-29-0    CZ7450000 
0232   m-Dinitrobenzene                         99-65-0     CZ7350000 
0233   p-Dinitrobenzene                         100-25-4    CZ7525000 
0234   Dinitro-o-cresol                         534-52-1    GO9625000 
0235   Dinitrotoluene                           25321-14-6  XT1300000 
0236   Di-sec octyl phthalate                   117-81-7    TI0350000 
0237   Dioxane                                  123-91-1    JG8225000 
0238   Dioxathion                               78-34-2     TE3350000 
0239   Diphenyl                                 92-52-4     DU8050000 
0240   Diphenylamine                            122-39-4    JJ7800000 
0241   Dipropylene glycol methyl ether          34590-94-8  JM1575000 
0242   Dipropyl ketone                          123-19-3    MJ5600000 
0243   Diquat (Diquat dibromide)                85-00-7     JM5690000 
0244   Disulfiram                               97-77-8     JO1225000 
0245   Disulfoton                               298-04-4    TD9275000 
0246   2,6-Di-tert-butyl-p-cresol               128-37-0    GO7875000 
0247   Diuron                                   330-54-1    YS8925000 
0248   Divinyl benzene                          1321-74-0   CZ9370000 
0249   1-Dodecanethiol                          112-55-0    JR3155000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0250   Emery                                    1302-74-5   GN0231000 
0251   Endosulfan                               115-29-7    RB9275000 
0252   Endrin                                   72-20-8     I01575000 
0253   Enflurane                                13838-16-9  KN6800000 
0254   Epichlorohydrin                          106-89-8    TX4900000 
0255   EPN                                      2104-64-5   TB1925000 
0256   Ethanolamine                             141-43-5    KJ5775000 
0257   Ethion                                   563-12-2    TE4550000 
0258   2-Ethoxyethanol                          110-80-5    KK8050000 
0259   2-Ethoxyethyl acetate                    111-15-9    KK8225000 
0260   Ethyl acetate                            141-78-6    AH5425000 
0261   Ethyl acrylate                           140-88-5    AT0700000 
0262   Ethyl alcohol                            64-17-5     KQ6300000 
0263   Ethylamine                               75-04-7     KH2100000 
0264   Ethyl benzene                            100-41-4    DA0700000 
0265   Ethyl bromide                            74-96-4     KH6475000 
0266   Ethyl butyl ketone                       106-35-4    MJ5250000 
0267   Ethyl chloride                           75-00-3     KH7525000 
0268   Ethylene chlorohydrin                    107-07-3    KK0875000 
0269   Ethylenediamine                          107-15-3    KH8575000 
0270   Ethylene dibromide                       106-93-4    KH9275000 
0271   Ethylene dichloride                      107-06-2    KI0525000 
0272   Ethylene glycol                          107-21-1    KW2975000 
0273   Ethylene glycol dinitrate                628-96-6    KW5600000 
0274   Ethyleneimine                            151-56-4    KX5075000 
0275   Ethylene oxide                           75-21-8     KX2450000 
0276   Ethylene thiourea                        96-45-7     NI9625000 
0277   Ethyl ether                              60-29-7     KI5775000 
0278   Ethyl formate                            109-94-4    LQ8400000 
0279   Ethylidene norbornene                    16219-75-3  RB9450000 
0280   Ethyl mercaptan                          75-08-1     K19625000 
0281   N-Ethylmorpholine                        100-74-3    QE4025000 
0282   Ethyl silicate                           78-10-4     VV9450000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0283   Fenamiphos                               22224-92-6  TB3675000 
0284   Fensulfothion                            115-90-2    TF3850000 
0285   Fenthion                                 55-38-9     TF9625000 
0286   Ferbam                                   14484-64-1  NO8750000 
0287   Ferrovanadium dust                       12604-58-9  LK2900000 
0288   Fibrous glass dust                                   LK3651000 
0289   Fluorine                                 7782-41-4   LM6475000 
0290   Fluorotrichloromethane                   75-69-4     PB6125000 
0291   Fluoroxene                               406-90-6    KO4250000 
0292   Fonofos                                  944-22-9    TA5950000 
0293   Formaldehyde                             50-00-0     LP8925000 
0294   Formalin (as formaldehyde)                                     
0295   Formamide                                75-12-7     LQ0525000 
0296   Formic acid                              64-18-6     LQ4900000 
0297   Furfural                                 98-01-1     LT7000000 
0298   Furfuryl alcohol                         98-00-0     LU9100000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0299   Gasoline                                 8006-61-9   LX3300000 
0300   Germanium tetrahydride                   7782-65-2   LY4900000 
0301   Glutaraldehyde                           111-30-8    MA2450000 
0302   Glycerin (mist)                          56-81-5     MA8050000 
0303   Glycidol                                 556-52-5    UB4375000 
0304   Glycolonitrile                           107-16-4    AM0350000 
0305   Grain dust (oat, wheat, barley)                      MD7900000 
0306   Graphite (natural)                       7782-42-5   MD9659600 
0307   Graphite (synthetic)                     7440-44-0   FF5250100 
0308   Gypsum                                   13397-24-5  MG2360000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0309   Hafnium                                  7440-58-6   MG4600000 
0310   Halothane                                151-67-7    KH6550000 
0311   Heptachlor                               76-44-8     PC0700000 
0312   n-Heptane                                142-82-5    MI7700000 
0313   1-Heptanethiol                           1639-09-4   MJ1400000 
0314   Hexachlorobutadiene                      87-68-3     EJ0700000 
0315   Hexachlorocyclopentadiene                77-47-4     GY1225000 
0316   Hexachloroethane                         67-72-1     KI4025000 
0317   Hexachloronaphthalene                    1335-87-1   QJ7350000 
0318   1-Hexadecanethiol                        2917-26-2             
0319   Hexafluoroacetone                        684-16-2    UC2450000 
0320   Hexamethylene diisocyanate               822-06-0    MO1740000 
0321   Hexamethyl phosphoramide                 680-31-9    TD0875000 
0322   n-Hexane                                 110-54-3    MN9275000 
0323   Hexane isomers (excluding n-Hexane)                            
0324   n-Hexanethiol                            111-31-9    MO4550000 
0325   2-Hexanone                               591-78-6    MP1400000 
0326   Hexone                                   108-10-1    SA9275000 
0327   sec-Hexyl acetate                        108-84-9    SA7525000 
0328   Hexylene glycol                          107-41-5    SA0810000 
0329   Hydrazine                                302-01-2    MU7175000 
0330   Hydrogenated terphenyls                  61788-32-7  WZ6535000 
0331   Hydrogen bromide                         10035-10-6  MW3850000 
0332   Hydrogen chloride                        7647-01-0   MW4025000 
0333   Hydrogen cyanide                         74-90-8     MW6825000 
0334   Hydrogen fluoride                        7664-39-3   MW7875000 
0335   Hydrogen peroxide                        7722-84-1   MX0900000 
0336   Hydrogen selenide                        7783-07-5   MX1050000 
0337   Hydrogen sulfide                         7783-06-4   MX1225000 
0338   Hydroquinone                             123-31-9    MX3500000 
0339   2-Hydroxypropyl acrylate                 999-61-1    AT1925000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0340   Indene                                   95-13-6     NK8225000 
0341   Indium                                   7440-74-6   NL1050000 
0342   Iodine                                   7553-56-2   NN1575000 
0343   Iodoform                                 75-47-8     PB7000000 
0344   Iron oxide dust and fume (as Fe)         1309-37-1   NO7400000 
0345   Iron pentacarbonyl (as Fe)               13463-40-6  NO4900000 
0346   Iron salts (soluble, as Fe)                                    
0347   Isoamyl acetate                          123-92-2    NS9800000 
0348   Isoamyl alcohol (primary)                123-51-3    EL5425000 
0349   Isoamyl alcohol (secondary)              6032-29-7             
0350   Isobutane                                75-28-5     TZ4300000 
0351   Isobutyl acetate                         110-19-0    AI4025000 
0352   Isobutyl alcohol                         78-83-1     NP9625000 
0353   Isobutyronitrile                         78-82-0     TZ4900000 
0354   Isooctyl alcohol                         26952-21-6  NS7700000 
0355   Isophorone                               78-59-1     GW7700000 
0356   Isophorone diisocyanate                  4098-71-9   NQ9370000 
0357   2-Isopropoxyethanol                      109-59-1    KL5075000 
0358   Isopropyl acetate                        108-21-4    AI4930000 
0359   Isopropyl alcohol                        67-63-0     NT8050000 
0360   Isopropylamine                           75-31-0     NT8400000 
0361   N-Isopropylaniline                       768-52-5    BY4190000 
0362   Isopropyl ether                          108-20-3    TZ5425000 
0363   Isopropyl glycidyl ether                 4016-14-2   TZ3500000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0364   Kaolin                                   1332-58-7   GF1670500 
0365   Kepone                                   143-50-0    PC8575000 
0366   Kerosene                                 8008-20-6   OA5500000 
0367   Ketene                                   463-51-4    OA7700000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0368   Lead                                     7439-92-1   OF7525000 
0369   Limestone                                1317-65-3   EV9580000 
0370   Lindane                                  58-89-9     GV4900000 
0371   Lithium hydride                          7580-67-8   OJ6300000 
0372   L.P.G.                                   68476-85-7  SE7545000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0373   Magnesite                                546-93-0    OM2470000 
0374   Magnesium oxide fume                     1309-48-4   OM3850000 
0375   Malathion                                121-75-5    WM8400000 
0376   Maleic anhydride                         108-31-6    ON3675000 
0377   Malonaldehyde                            542-78-9    TX6475000 
0378   Malononitrile                            109-77-3    OO3150000 
0379   Manganese compounds and fume (as Mn)     7439-96-5   OO9275000 
0380   Manganese cyclopentadienyl tricarbonyl   12079-65-1  OO9720000 
0381   Manganese tetroxide (as Mn)              1317-35-7   OP0895000 
0382   Marble                                   1317-65-3   EV9580000 
0383   Mercury compounds [except (organo) alkyl 7439-97-6   OV4550000 
0384   Mercury (organo) alkyl compounds (as Hg)                       
0385   Mesityl oxide                            141-79-7    SB4200000 
0386   Methacrylic acid                         79-41-4     OZ2975000 
0387   Methomyl                                 16752-77-5  AK2975000 
0388   Methoxychlor                             72-43-5     KJ3675000 
0389   Methoxyflurane                           76-38-0     KN7820000 
0390   4-Methoxyphenol                          150-76-5    SL7700000 
0391   Methyl acetate                           79-20-9     AI9100000 
0392   Methyl acetylene                         74-99-7     UK4250000 
0393   Methyl acetylene-propadiene mixture      59355-75-8  UK4920000 
0394   Methyl acrylate                          96-33-3     AT2800000 
0395   Methylacrylonitrile                      126-98-7    UD1400000 
0396   Methylal                                 109-87-5    PA8750000 
0397   Methyl alcohol                           67-56-1     PC1400000 
0398   Methylamine                              74-89-5     PF6300000 
0399   Methyl (n-amyl) ketone                   110-43-0    MJ5075000 
0400   Methyl bromide                           74-83-9     PA4900000 
0401   Methyl Cellosolve®                       109-86-4    KL5775000 
0402   Methyl Cellosolve® acetate               110-49-6    KL5950000 
0403   Methyl chloride                          74-87-3     PA6300000 
0404   Methyl chloroform                        71-55-6     KJ2975000 
0405   Methyl-2-cyanoacrylate                   137-05-3    AS7000000 
0406   Methylcyclohexane                        108-87-2    GV6125000 
0407   Methylcyclohexanol                       25639-42-3  GW0175000 
0408   o-Methylcyclohexanone                    583-60-8    GW1750000 
0409   Methyl cyclopentadienyl manganese tricar 12108-13-3  OP1450000 
0410   Methyl demeton                           8022-00-2   TG1760000 
0411   4,4'-Methylenebis(2-chloroaniline)       101-14-4    CY1050000 
0412   Methylene bis(4-cyclohexylisocyanate)    5124-30-1   NQ9250000 
0413   Methylene bisphenyl isocyanate           101-68-8    NQ9350000 
0414   Methylene chloride                       75-09-2     PA8050000 
0415   4,4'-Methylenedianiline                  101-77-9    BY5425000 
0416   Methyl ethyl ketone peroxide             1338-23-4   EL9450000 
0417   Methyl formate                           107-31-3    LQ8925000 
0418   5-Methyl-3-heptanone                     541-85-5    MJ7350000 
0419   Methyl hydrazine                         60-34-4     MV5600000 
0420   Methyl iodide                            74-88-4     PA9450000 
0421   Methyl isoamyl ketone                    110-12-3    MP3850000 
0422   Methyl isobutyl carbinol                 108-11-2    SA7350000 
0423   Methyl isocyanate                        624-83-9    NQ9450000 
0424   Methyl isopropyl ketone                  563-80-4    EL9100000 
0425   Methyl mercaptan                         74-93-1     PB4375000 
0426   Methyl methacrylate                      80-62-6     OZ5075000 
0427   Methyl parathion                         298-00-0    TG0175000 
0428   Methyl silicate                          681-84-5    VV9800000 
0429   alpha-Methyl styrene                     98-83-9     WL5075300 
0430   Metribuzin                               21087-64-9  XZ2990000 
0431   Mica (containing less than 1% quartz)    12001-26-2  VV8760000 
0432   Mineral wool fiber                                   PY8070000 
0433   Molybdenum                               7439-98-7   QA4680000 
0434   Molybdenum (soluble compounds, as Mo)                          
0435   Monocrotophos                            6923-22-4   TC4375000 
0436   Monomethyl aniline                       100-61-8    BY4550000 
0437   Morpholine                               110-91-8    QD6475000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0438   Naphtha (coal tar)                       8030-30-6   DE3030000 
0439   Naphthalene                              91-20-3     QJ0525000 
0440   Naphthalene diisocyanate                 3173-72-6   NQ9600000 
0441   alpha-Naphthylamine                      134-32-7    QM1400000 
0442   beta-Naphthylamine                       91-59-8     QM2100000 
0443   Niax® Catalyst ESN                       62765-93-9  QR3900000 
0444   Nickel carbonyl                          13463-39-3  QR6300000 
0445   Nickel metal and other compounds (as Ni) 7440-02-0   QR5950000 
0446   Nicotine                                 54-11-5     QS5250000 
0447   Nitric acid                              7697-37-2   QU5775000 
0448   Nitric oxide                             10102-43-9  QX0525000 
0449   p-Nitroaniline                           100-01-6    BY7000000 
0450   Nitrobenzene                             98-95-3     DA6475000 
0451   4-Nitrobiphenyl                          92-93-3     DV5600000 
0452   p-Nitrochlorobenzene                     100-00-5    CZ1050000 
0453   Nitroethane                              79-24-3     K15600000 
0454   Nitrogen dioxide                         10102-44-0  QW9800000 
0455   Nitrogen trifluoride                     7783-54-2   QX1925000 
0456   Nitroglycerine                           55-63-0     QX2100000 
0457   Nitromethane                             75-52-5     PA9800000 
0458   2-Nitronaphthalene                       581-89-5    QJ9760000 
0459   1-Nitropropane                           108-03-2    TZ5075000 
0460   2-Nitropropane                           79-46-9     TZ5250000 
0461   N-Nitrosodimethylamine                   62-75-9     IQ0525000 
0462   o-Nitrotoluene                           88-72-2     XT3150000 
0463   m-Nitrotoluene                           99-08-1     XT2975000 
0464   p-Nitrotoluene                           99-99-0     XT3325000 
0465   Nitrous oxide                            10024-97-2  QX1350000 
0466   Nonane                                   111-84-2    RA6115000 
0467   1-Nonanethiol                            1455-21-6             

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0468   Octachloronaphthalene                    2234-13-1   QK0250000 
0469   1-Octadecanethiol                        2885-00-9             
0470   Octane                                   111-65-9    RG8400000 
0471   1-Octanethiol                            111-88-6              
0472   Oil mist (mineral)                       8012-95-1   PY8030000 
0473   Osmium tetroxide                         20816-12-0  RN1140000 
0474   Oxalic acid                              144-62-7    RO2450000 
0475   Oxygen difluoride                        7783-41-7   RS2100000 
0476   Ozone                                    10028-15-6  RS8225000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0477   Paraffin wax fume                        8002-74-2   RV0350000 
0478   Paraquat (Paraquat dichloride)           1910-42-5   DW2275000 
0479   Parathion                                56-38-2     TF4550000 
0480   Particulates not otherwise regulated                           
0481   Pentaborane                              19624-22-7  RY8925000 
0482   Pentachloroethane                        76-01-7     KI6300000 
0483   Pentachloronaphthalene                   1321-64-8   QK0300000 
0484   Pentachlorophenol                        87-86-5     SM6300000 
0485   Pentaerythritol                          115-77-5    RZ2490000 
0486   n-Pentane                                109-66-0    RZ9450000 
0487   1-Pentanethiol                           110-66-7    SA3150000 
0488   2-Pentanone                              107-87-9    SA7875000 
0489   Perchloromethyl mercaptan                594-42-3    PB0370000 
0490   Perchloryl fluoride                      7616-94-6   SD1925000 
0491   Perlite                                  93763-70-3  SO5254000 
0492   Petroleum distillates (naphtha)          8002-05-9   SE7449000 
0493   Phenol                                   108-95-2    SJ3325000 
0494   Phenothiazine                            92-84-2     SN5075000 
0495   p-Phenylene diamine                      106-50-3    SS8050000 
0496   Phenyl ether (vapor)                     101-84-8    KN8970000 
0497   Phenyl ether-biphenyl mixture (vapor)    8004-13-5   DV1500000 
0498   Phenyl glycidyl ether                    122-60-1    TZ3675000 
0499   Phenylhydrazine                          100-63-0    MW8925000 
0500   N-Phenyl-beta-naphthylamine              135-88-6    QM4550000 
0501   Phenylphosphine                          638-21-1    SZ2100000 
0502   Phorate                                  298-02-2    TD9450000 
0503   Phosdrin                                 7786-34-7   GQ5250000 
0504   Phosgene                                 75-44-5     SY5600000 
0505   Phosphine                                7803-51-2   SY7525000 
0506   Phosphoric acid                          7664-38-2   TB6300000 
0507   Phosphorus (yellow)                      7723-14-0   TH3500000 
0508   Phosphorus oxychloride                   10025-87-3  TH4897000 
0509   Phosphorus pentachloride                 10026-13-8  TB6125000 
0510   Phosphorus pentasulfide                  1314-80-3   TH4375000 
0511   Phosphorus trichloride                   7719-12-2   TH3675000 
0512   Phthalic anhydride                       85-44-9     TI3150000 
0513   m-Phthalodinitrile                       626-17-5    CZ1900000 
0514   Picloram                                 1918-02-1   TJ7525000 
0515   Picric acid                              88-89-1     TJ7875000 
0516   Pindone                                  83-26-1     NK6300000 
0517   Piperazine dihydrochloride               142-64-3    TL4025000 
0518   Plaster of Paris                         26499-65-0  TP0700000 
0519   Platinum                                 7440-06-4   TP2160000 
0520   Platinum (soluble salts, as Pt)                                
0521   Portland cement                          65997-15-1  VV8770000 
0522   Potassium cyanide (as CN)                151-50-8    TS8750000 
0523   Potassium hydroxide                      1310-58-3   TT2100000 
0524   Propane                                  74-98-6     TX2275000 
0525   Propane sultone                          1120-71-4   RP5425000 
0526   1-Propanethiol                           107-03-9    TZ7300000 
0527   Propargyl alcohol                        107-19-7    UK5075000 
0528   beta-Propiolactone                       57-57-8     RQ7350000 
0529   Propionic acid                           79-09-4     UE5950000 
0530   Propionitrile                            107-12-0    UF9625000 
0531   Propoxur                                 114-26-1    FC3150000 
0532   n-Propyl acetate                         109-60-4    AJ3675000 
0533   n-Propyl alcohol                         71-23-8     UH8225000 
0534   Propylene dichloride                     78-87-5     TX9625000 
0535   Propylene glycol dinitrate               6423-43-4   TY6300000 
0536   Propylene glycol monomethyl ether        107-98-2    UB7700000 
0537   Propylene imine                          75-55-8     CM8050000 
0538   Propylene oxide                          75-56-9     TZ2975000 
0539   n-Propyl nitrate                         627-13-4    UK0350000 
0540   Pyrethrum                                8003-34-7   UR4200000 
0541   Pyridine                                 110-86-1    UR8400000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0542   Quinone                                  106-51-4    DK2625000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0543   Resorcinol                               108-46-3    VG9625000 
0544   Rhodium (metal fume and insoluble compou 7440-16-6   VI9069000 
0545   Rhodium (soluble compounds, as Rh)                             
0546   Ronnel                                   299-84-3    TG0525000 
0547   Rosin core solder, pyrolysis products                          
0548   Rotenone                                 83-79-4     DJ2800000 
0549   Rouge                                    1309-37-1   NO7400000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0550   Selenium                                 7782-49-2   VS7700000 
0551   Selenium hexafluoride                    7783-79-1   VS9450000 
0552   Silica, amorphous                        7631-86-9   VV7310000 
0553   Silica, crystalline (as respirable dust) 14808-60-7  VV7330000 
0554   Silicon                                  7440-21-3   VW0400000 
0555   Silicon carbide                          409-21-2    VW0450000 
0556   Silicon tetrahydride                     7803-62-5   VV1400000 
0557   Silver (metal dust and soluble compounds 7440-22-4   VW3500000 
0558   Soapstone (containing less than 1% quart             VV8780000 
0559   Sodium aluminum fluoride (as F)          15096-52-3  WA9625000 
0560   Sodium azide                             26628-22-8  VY8050000 
0561   Sodium bisulfite                         7631-90-5   VZ2000000 
0562   Sodium cyanide (as CN)                   143-33-9    VZ7530000 
0563   Sodium fluoride (as F)                   7681-49-4   WB0350000 
0564   Sodium fluoroacetate                     62-74-8     AH9100000 
0565   Sodium hydroxide                         1310-73-2   WB4900000 
0566   Sodium metabisulfite                     7681-57-4   UX8225000 
0567   Starch                                   9005-25-8   GM5090000 
0568   Stibine                                  7803-52-3   WJ0700000 
0569   Stoddard solvent                         8052-41-3   WJ8925000 
0570   Strychnine                               57-24-9     WL2275000 
0571   Styrene                                  100-42-5    WL3675000 
0572   Subtilisins                              1395-21-7   CO9450000 
0573   Succinonitrile                           110-61-2    WN3850000 
0574   Sucrose                                  57-50-1     WN6500000 
0575   Sulfur dioxide                           7446-09-5   WS4550000 
0576   Sulfur hexafluoride                      2551-62-4   WS4900000 
0577   Sulfuric acid                            7664-93-9   WS5600000 
0578   Sulfur monochloride                      10025-67-9  WS4300000 
0579   Sulfur pentafluoride                     5714-22-7   WS4480000 
0580   Sulfur tetrafluoride                     7783-60-0   WT4800000 
0581   Sulfuryl fluoride                        2699-79-8   WT5075000 
0582   Sulprofos                                35400-43-2  TE4165000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0583   2,4,5-T                                  93-76-5     AJ8400000 
0584   Talc (containing no asbestos and less th 14807-96-6  WW2710000 
0585   Tantalum (metal and oxide dust, as Ta)   7440-25-7   WW5505000 
0586   TEDP                                     3689-24-5   XN4375000 
0587   Tellurium                                13494-80-9  WY2625000 
0588   Tellurium hexafluoride                   7783-80-4   WY2800000 
0589   Temephos                                 3383-96-8   TF6890000 
0590   TEPP                                     107-49-3    UX6825000 
0591   o-Terphenyl                              84-15-1     WZ6472000 
0592   m-Terphenyl                              92-06-8     WZ6470000 
0593   p-Terphenyl                              92-94-4     WZ6475000 
0594   2,3,7,8-Tetrachloro-dibenzo-p-dioxin     1746-01-6   HP3500000 
0595   1,1,1,2-Tetrachloro-2,2-difluoroethane   76-11-9     KI1425000 
0596   1,1,2,2-Tetrachloro-1,2-difluoroethane   76-12-0     KI1420000 
0597   1,1,1,2-Tetrachloroethane                630-20-6    KI8450000 
0598   1,1,2,2-Tetrachloroethane                79-34-5     KI8575000 
0599   Tetrachloroethylene                      127-18-4    KX3850000 
0600   Tetrachloronaphthalene                   1335-88-2   QK3700000 
0601   Tetraethyl lead (as Pb)                  78-00-2     TP4550000 
0602   Tetrahydrofuran                          109-99-9    LU5950000 
0603   Tetramethyl lead (as Pb)                 75-74-1     TP4725000 
0604   Tetramethyl succinonitrile               3333-52-6   WN4025000 
0605   Tetranitromethane                        509-14-8    PB4025000 
0606   Tetrasodium pyrophosphate                7722-88-5   UX7350000 
0607   Tetryl                                   479-45-8    BY6300000 
0608   Thallium (soluble compounds, as Tl)                            
0609   4,4'-Thiobis(6-tert-butyl-m-cresol)      96-69-5     GP3150000 
0610   Thioglycolic acid                        68-11-1     AI5950000 
0611   Thionyl chloride                         7719-09-7   XM5150000 
0612   Thiram                                   137-26-8    JO1400000 
0613   Tin                                      7440-31-5   XP7320000 
0614   Tin (organic compounds, as Sn)                                 
0615   Tin(II) oxide (as Sn)                    21651-19-4            
0616   Tin(IV) oxide (as Sn)                    18282-10-5  XQ4000000 
0617   Titanium dioxide                         13463-67-7  XR2275000 
0618   o-Tolidine                               119-93-7    DD1225000 
0619   Toluene                                  108-88-3    XS5250000 
0620   Toluenediamine                           25376-45-8  XS9445000 
0621   Toluene-2,4-diisocyanate                 584-84-9    CZ6300000 
0622   o-Toluidine                              95-53-4     XU2975000 
0623   m-Toluidine                              108-44-1    XU2800000 
0624   p-Toluidine                              106-49-0    XU3150000 
0625   Tributyl phosphate                       126-73-8    TC7700000 
0626   Trichloroacetic acid                     76-03-9     AJ7875000 
0627   1,2,4-Trichlorobenzene                   120-82-1    DC2100000 
0628   1,1,2-Trichloroethane                    79-00-5     KJ3150000 
0629   Trichloroethylene                        79-01-6     KX4550000 
0630   Trichloronaphthalene                     1321-65-9   QK4025000 
0631   1,2,3-Trichloropropane                   96-18-4     TZ9275000 
0632   1,1,2-Trichloro-1,2,2-trifluoroethane    76-13-1     KJ4000000 
0633   Triethylamine                            121-44-8    YEO175000 
0634   Trifluorobromomethane                    75-63-8     PA5425000 
0635   Trimellitic anhydride                    552-30-7    DC2050000 
0636   Trimethylamine                           75-50-3     PA0350000 
0637   1,2,3-Trimethylbenzene                   526-73-8    DC330000  
0638   1,2,4-Trimethylbenzene                   95-63-6     DC3325000 
0639   1,3,5-Trimethylbenzene                   108-67-8    OX6825000 
0640   Trimethyl phosphite                      121-45-9    TH1400000 
0641   2,4,6-Trinitrotoluene                    118-96-7    XU0175000 
0642   Triorthocresyl phosphate                 78-30-8     TD0350000 
0643   Triphenylamine                           603-34-9    YK2680000 
0644   Triphenyl phosphate                      115-86-6    TC8400000 
0645   Tungsten                                 7440-33-7   YO7175000 
0646   Tungsten (soluble compounds, as W)                             
0647   Tungsten carbide (cemented)              11107-01-0  Y07350000 
0648   Turpentine                               8006-64-2   YO8400000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0649   1-Undecanethiol                          5332-52-5             
0650   Uranium (insoluble compounds, as U)      7440-61-1   YR3490000 
0651   Uranium (soluble compounds, as U)                              

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0652   n-Valeraldehyde                          110-62-3    YV3600000 
0653   Vanadium dust                            1314-62-1   YW2450000 
0654   Vanadium fume                            1314-62-1   YW2460000 
0655   Vegetable oil mist                       68956-68-3  YX1850000 
0656   Vinyl acetate                            108-05-4    AK0875000 
0657   Vinyl bromide                            593-60-2    KU8400000 
0658   Vinyl chloride                           75-01-4     KU9625000 
0659   Vinyl cyclohexene dioxide                106-87-6    RN8640000 
0660   Vinyl fluoride                           75-02-5     YZ7351000 
0661   Vinylidene chloride                      75-35-4     KV9275000 
0662   Vinylidene fluoride                      75-38-7     KW0560000 
0663   Vinyl toluene                            25013-15-4  WL5075000 
0664   VM & P Naphtha                           8032-32-4   OI6180000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0665   Warfarin                                 81-81-2     GN4550000 
0666   Welding fumes                                        ZC2550000 
0667   Wood dust                                            ZC9850000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0668   o-Xylene                                 95-47-6     ZE2450000 
0669   m-Xylene                                 108-38-3    ZE2275000 
0670   p-Xylene                                 106-42-3    ZE2625000 
0671   m-Xylene-alpha,alpha'-diamine            1477-55-0   PF8970000 
0672   Xylidine                                 1300-73-8   ZE8575000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0673   Yttrium                                  7440-65-5   ZG2980000 

GUIDE          CHEMICAL NAME           CAS NO    RTECS NO


0674   Zinc chloride fume                       7646-85-7   ZH1400000 
0675   Zinc oxide                               1314-13-2   ZH4810000 
0676   Zinc stearate                            557-05-1    ZH5200000 
0677   Zirconium compounds (as Zr)              7440-67-7   ZH7070000