NIOSH Pocket Guide to Chemical Hazards

Tin CAS 7440-31-5
Sn RTECS XP7320000
Synonyms & Trade Names
Metallic tin, Tin flake, Tin metal, Tin powder
DOT ID & Guide
Exposure
Limits
NIOSH REL*: TWA 2 mg/m3 [*Note: The REL also applies to other inorganic tin compounds (as Sn) except tin oxides.]
OSHA PEL*: TWA 2 mg/m3 [*Note: The PEL also applies to other inorganic tin compounds (as Sn) except tin oxides.]
IDLH 100 mg/m3 (as Sn) Conversion
Physical Description
Gray to almost silver-white, ductile, malleable, lustrous solid.
MW: 118.7
BP: 4545°F
MLT: 449°F
Sol: Insoluble
VP: 0 mmHg (approx)
IP: NA

Sp.Gr: 7.28
Fl.P: NA
UEL: NA
LEL: NA

Noncombustible Solid, but powdered form may ignite.
Incompatibilities & Reactivities
Chlorine, turpentine, acids, alkalis
Measurement Methods
NIOSH 7300; OSHA ID121, ID206
Personal Protection & Sanitation
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations NIOSH/OSHA
Up to 10 mg/m3: (APF = 5) Any dust and mist respirator*
Up to 20 mg/m3: (APF = 10) Any dust and mist respirator except single-use and quarter-mask respirators^*/(APF = 10) Any supplied-air respirator*
Up to 50 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 25) Any powered, air-purifying respirator with a dust and mist filter^*
Up to 100 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter/(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 with a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin and/or eye contact
Symptoms Irritation eyes, skin, respiratory system; in animals: vomiting, diarrhea, paralysis with muscle twitching
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION