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Chloroform |
CAS 67-66-3 | ||
CHCl3 |
RTECS FS9100000 | ||
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Synonyms & Trade Names Methane trichloride, Trichloromethane |
DOT ID & Guide 1888 151 |
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Exposure
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NIOSH REL: Ca ST 2 ppm (9.78 mg/m3) [60-minute] See Appendix A | ||
| OSHA PEL†: C 50 ppm (240 mg/m3) | |||
| IDLH Ca [500 ppm] See: 67663 | Conversion 1 ppm = 4.88 mg/m3 | ||
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Physical Description Colorless liquid with a pleasant odor. |
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MW: 119.4 |
BP: 143°F |
FRZ: -82°F |
Sol(77°F): 0.5% |
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VP: 160 mmHg |
IP: 11.42 eV |
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Sp.Gr: 1.48 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Liquid | |||
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Incompatibilities & Reactivities Strong caustics; chemically-active metals such as aluminum or magnesium powder, sodium & potassium; strong oxidizers [Note: When heated to decomposition, forms phosgene gas.] |
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Measurement Methods NIOSH 1003 See: NMAM or OSHA Methods |
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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 |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection 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, skin; dizziness, mental dullness, nausea, confusion; headache, lassitude (weakness, exhaustion); anesthesia; enlarged liver; [potential occupational carcinogen] | |
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Target Organs
Liver, kidneys, heart, eyes, skin, central nervous system Cancer Site [in animals: liver & kidney cancer] |
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| See also: INTRODUCTION See ICSC CARD: 0027 See MEDICAL TESTS: 0047 |