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| o-Toluidine | CAS 95-53-4 | ||
| CH3C6H4NH2 | RTECS XU2975000 | ||
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Synonyms & Trade Names o-Aminotoluene, 2-Aminotoluene, 1-Methyl-2-aminobenzene, o-Methylaniline, 2-Methylaniline, ortho-Toluidine |
DOT ID & Guide 1708 153 |
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Exposure Limits |
NIOSH REL: Ca [skin] See Appendix A | ||
| OSHA PEL: TWA 5 ppm (22 mg/m3) [skin] | |||
| IDLH Ca [50 ppm] | 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 |
BP: 392°F |
FRZ: 6°F |
Sol: 2% |
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VP: 0.3 mmHg |
IP: 7.44 eV |
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Sp.Gr: 1.01 |
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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. | |||
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Incompatibilities & Reactivities Strong oxidizers, nitric acid, bases |
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Measurement Methods NIOSH 2002, 2017; OSHA 73 |
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Personal Protection & Sanitation 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 |
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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 |
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| 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] | |
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Target Organs
Eyes, skin, blood, kidneys, liver, cardiovascular system Cancer Site [bladder cancer] |
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| See also: INTRODUCTION |