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Bromoform |
CAS 75-25-2 | ||
CHBr3 |
RTECS PB5600000 | ||
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Synonyms & Trade Names Methyl tribromide, Tribromomethane |
DOT ID & Guide 2515 159 |
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Exposure
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NIOSH REL: TWA 0.5 ppm (5 mg/m3) [skin] | ||
| OSHA PEL: TWA 0.5 ppm (5 mg/m3) [skin] | |||
| IDLH 850 ppm See: 75252 | Conversion 1 ppm = 10.34 mg/m3 | ||
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Physical Description Colorless to yellow liquid with a chloroform-like odor. [Note: A solid below 47°F.] |
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MW: 252.8 |
BP: 301°F |
FRZ: 47°F |
Sol: 0.1% |
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VP: 5 mmHg |
IP: 10.48 eV |
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Sp.Gr: 2.89 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Liquid | |||
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Incompatibilities & Reactivities Lithium, sodium, potassium, calcium, aluminum, zinc, magnesium, strong caustics, acetone [Note: Gradually decomposes, acquiring yellow color; air & light accelerate decomposition.] |
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Measurement Methods NIOSH 1003; OSHA 7 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 |
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/OSHA Up to 12.5 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£ (APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)£ Up to 25 ppm: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s) (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister (APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)£ (APF = 50) Any self-contained breathing apparatus with a full facepiece (APF = 50) Any supplied-air respirator with a full facepiece Up to 850 ppm: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode Emergency or planned entry into unknown concentrations or IDLH conditions: (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, respiratory system; central nervous system depression; liver, kidney damage | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, liver, kidneys |
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| See also: INTRODUCTION See ICSC CARD: 0108 |