Chloroform
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CAS
67-66-3
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CHCl3
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RTECS
FS9100000
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Synonyms & Trade Names
Methane trichloride, Trichloromethane
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DOT ID & Guide
1888 / 151
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Exposure
Limits
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NIOSH REL: Ca ST 2 ppm (9.78 mg/m3) [60-minute] See Appendix A
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OSHA PEL†: C 50 ppm (240 mg/m3)
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IDLH
Ca [500 ppm]
See: 67663
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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
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BP: 143°F
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FRZ: -82°F
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Sol(77°F): 0.5%
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VP: 160 mmHg
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IP: 11.42 eV
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Sp.Gr: 1.48
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Fl.P: NA
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UEL: NA
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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 |
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 promptly
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, 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
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