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| Hexane isomers (excluding n-Hexane) | CAS | ||
| C6H14 | RTECS | ||
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Synonyms & Trade Names Diethylmethylmethane; Diisopropyl; 2,2-Dimethylbutane; 2,3-Dimethylbutane; Isohexane; 2-Methylpentane; 3-Methylpentane [Note: Also see specific listing for n-Hexane.] |
DOT ID & Guide 1208 128 |
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Exposure Limits |
NIOSH REL: TWA 100 ppm (350 mg/m3) C 510 ppm (1800 mg/m3) [15-minute] | ||
| OSHA PEL†: none | |||
| IDLH N.D. | Conversion 1 ppm = 3.53 mg/m3 | ||
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Physical Description Clear liquids with mild, gasoline-like odors. [Note: Includes all the isomers of hexane except n-hexane.] |
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MW: 86.2 |
BP: 122-145°F |
FRZ: -245 to -148°F |
Sol: Insoluble |
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VP: ? |
IP: ? |
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Sp.Gr: 0.65-0.66 |
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Fl.P: -54 to 19°F |
UEL: ? |
LEL: ? |
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| Class IB Flammable Liquids | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods None available |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH Up to 1000 ppm: (APF = 10) Any supplied-air respirator* Up to 2500 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode* Up to 5000 ppm: (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, respiratory system; headache, dizziness; nausea; chemical pneumonitis (aspiration liquid); dermatitis | |
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Target Organs
Eyes, skin, respiratory system, central nervous system |
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| See also: INTRODUCTION |