o-Toluidine |
Synonyms & Trade Names o-Aminotoluene, 2-Aminotoluene, 1-Methyl-2-aminobenzene, o-Methylaniline, 2-Methylaniline, ortho-Toluidine, o-Tolylamine |
CAS No. 95-53-4 |
RTECS No. XU2975000 |
DOT ID & Guide 1708 153 |
FormulaCH3C6H4NH2 |
Conversion 1 ppm = 4.38 mg/m3 |
IDLH Ca [50 ppm]
See: 95534 |
Exposure Limits NIOSH REL: Ca [skin] See Appendix A
OSHA PEL: TWA 5 ppm (22 mg/m3) [skin] |
Measurement Methods
NIOSH 2002 , 2017 , 8317;
OSHA 73
See: NMAM or OSHA Methods |
Physical Description Colorless to pale-yellow liquid with an aromatic, aniline-like odor. |
MW: 107.2 |
BP: 392°F |
FRZ: 6°F |
Sol: 2% |
VP: 0.3 mmHg |
IP: 7.44 eV |
Sp.Gr: 1.01 |
Fl.P: 185°F |
UEL: ? |
LEL: ? |
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| Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F. |
Incompatibilities & Reactivities Strong oxidizers, nitric acid, bases |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes; anoxia, headache, cyanosis; lassitude (weakness, exhaustion), dizziness, drowsiness; micro hematuria (blood in the urine); eye burns; dermatitis; [potential occupational carcinogen] |
Target Organs Eyes, skin, blood, kidneys, liver, cardiovascular system |
Cancer Site[bladder cancer] |
Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations NIOSH 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 Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0341 See MEDICAL TESTS: 0234 |
