Synonyms & Trade Names1-Methyl-2,4,6-trinitrobenzene, TNT, Trinitrotoluene, sym-Trinitrotoluene, Trinitrotoluol
NIOSH RELTWA 0.5 mg/m3 [skin]
OSHA PELTWA 1.5 mg/m3 [skin] See Appendix G
Physical DescriptionColorless to pale-yellow, odorless solid or crushed flakes.
Boiling Point464°F (Explodes)
Vapor Pressure0.0002 mmHg
Ionization Potential10.59 eV
Flash Point? (Explodes)
Upper Exposive Limit?
Lower Explosive Limit?
Incompatibilities & ReactivitiesStrong oxidizers, ammonia, strong alkalis, combustible materials, heat [Note: Rapid heating will result in detonation.]
Exposure Routesinhalation, skin absorption, ingestion, skin and/or eye contact
Symptomsirritation skin, mucous membrane; liver damage, jaundice; cyanosis; sneezing; cough, sore throat; peripheral neuropathy, muscle pain; kidney damage; cataract; sensitization dermatitis; leukocytosis (increased blood leukocytes); anemia; cardiac irreg
Target OrgansEyes, skin, respiratory system, blood, liver, cardiovascular system, central nervous system, kidneys
Personal Protection/Sanitation(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated/Daily
Remove:When wet or contaminated
First Aid(See procedures)
Skin:Soap wash promptly
Swallow:Medical attention immediately
Up to 5 mg/m3:
(APF = 10) Any supplied-air respirator*
Up to 12.5 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
Up to 25 mg/m3:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 500 mg/m3:
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
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
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division