NIOSH Pocket Guide to Chemical Hazards


CAS 108-44-1


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


NIOSH REL: See Appendix D
OSHA PEL: none
IDLH N.D. See: IDLH INDEX 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 140F and below 200F.
Incompatibilities & Reactivities
Oxidizers, acids
Measurement Methods
NIOSH 2002; OSHA 73
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
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
Important additional information about respirator selection
Respirator Recommendations Not available.
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   See ICSC CARD: 0342