o-Toluidine
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CAS
95-53-4
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CH3C6H4NH2
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RTECS
XU2975000
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Synonyms & Trade Names
o-Aminotoluene, 2-Aminotoluene, 1-Methyl-2-aminobenzene, o-Methylaniline, 2-Methylaniline, ortho-Toluidine, o-Tolylamine
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DOT ID & Guide
1708 / 153
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Exposure
Limits
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NIOSH REL: Ca [skin] See Appendix A
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OSHA PEL: TWA 5 ppm (22 mg/m3) [skin]
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IDLH
Ca [50 ppm]
See: 95534
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Conversion
1 ppm = 4.38 mg/m3
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Physical Description
Colorless to pale-yellow liquid with an aromatic, aniline-like odor.
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MW: 107.2
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BP: 392°F
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FRZ: 6°F
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Sol: 2%
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VP: 0.3 mmHg
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IP: 7.44 eV
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Sp.Gr: 1.01
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Fl.P: 185°F
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UEL: ?
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LEL: ?
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Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
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Incompatibilities & Reactivities
Strong oxidizers, nitric acid, bases
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Measurement Methods
NIOSH 2002, 2017, 8317; 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
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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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
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes; anoxia, headache, cyanosis; lassitude (weakness, exhaustion), dizziness, drowsiness; micro hematuria (blood in the urine); eye burns; dermatitis; [potential occupational carcinogen]
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Target Organs
Eyes, skin, blood, kidneys, liver, cardiovascular system
Cancer Site
[bladder cancer]
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See also: INTRODUCTION
See ICSC CARD: 0341 See MEDICAL TESTS: 0234
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