Synonyms & Trade NamesDinitrotoluol, DNT, Methyldinitrobenzene [Note: Various isomers of DNT exist.]
IDLHCa [50 mg/m3]
NIOSH RELCa TWA 1.5 mg/m3 [skin] See Appendix A
OSHA PELTWA 1.5 mg/m3 [skin]
Physical DescriptionOrange-yellow crystalline solid with a characteristic odor. [Note: Often shipped molten.]
Vapor Pressure1 mmHg
Upper Exposive Limit?
Lower Explosive Limit?
Incompatibilities & ReactivitiesStrong oxidizers, caustics, metals such as tin & zinc [Note: Commercial grades will decompose at 482°F, with self-sustaining decomposition at 536°F.]
Exposure Routesinhalation, skin absorption, ingestion, skin and/or eye contact
SymptomsAnoxia, cyanosis; anemia, jaundice; reproductive effects; [potential occupational carcinogen]
Target OrgansBlood, liver, cardiovascular system, reproductive system
Cancer Site[in animals: liver, skin & kidney tumors]
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 immediately
Swallow:Medical attention immediately
At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(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