# NIOSH Pocket Guide to Chemical Hazards
m-Toluidine | CAS 108-44-1
CH3C6H4NH2 | RTECS XU2800000
Synonyms & Trade Names 3-Amino-1-methylbenzene, 1-Aminophenylmethane, m-Aminotoluene, 3-Methylaniline, 3-Methylbenzenamine, 3-Toluidine, m-Tolylamine | DOT ID & Guide 1708 153
Exposure Limits | NIOSH REL: See Appendix D
OSHA PEL†: none
IDLH N.D. | Conversion
Physical Description Colorless to light-yellow liquid with an aromatic, amine-like odor. [Note: Used as a basis for many dyes.]
MW: 107.2 | BP: 397°F | FRZ: -23°F | Sol: 2%
VP(106°F): 1 mmHg | IP: 7.50 eV |  | Sp.Gr: 0.999
Fl.P: 187°F | UEL: ? | LEL: ? |
Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
Incompatibilities & Reactivities Oxidizers, acids
Measurement Methods NIOSH 2002; OSHA 73
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin; dermatitis; hematuria (blood in the urine), methemoglobinemia; cyanosis, nausea, vomiting, low blood pressure, convulsions; anemia, lassitude (weakness, exhaustion)
Target Organs Eyes, skin, blood, cardiovascular system
See also: INTRODUCTION