Chlorobenzene
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CAS
108-90-7
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C6H5Cl
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RTECS
CZ0175000
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Synonyms & Trade Names
Benzene chloride, Chlorobenzol, MCB, Monochlorobenzene, Phenyl chloride
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DOT ID & Guide
1134 / 130
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Exposure
Limits
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NIOSH REL: See Appendix D
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OSHA PEL: TWA 75 ppm (350 mg/m3)
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IDLH
1000 ppm
See: 108907
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Conversion
1 ppm = 4.61 mg/m3
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Physical Description
Colorless liquid with an almond-like odor.
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MW: 112.6
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BP: 270°F
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FRZ: -50°F
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Sol: 0.05%
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VP: 9 mmHg
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IP: 9.07 eV
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Sp.Gr: 1.11
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Fl.P: 82°F
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UEL: 9.6%
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LEL: 1.3%
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Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
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Incompatibilities & Reactivities
Strong oxidizers
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Measurement Methods
NIOSH 1003; OSHA 7
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 (flammable)
Change: No recommendation
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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
OSHA
Up to 1000 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)£
(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 self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
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
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, nose; drowsiness, incoordination; central nervous system depression; in animals: liver, lung, kidney injury
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Target Organs
Eyes, skin, respiratory system, central nervous system, liver
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See also: INTRODUCTION
See ICSC CARD: 0642 See MEDICAL TESTS: 0253
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