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Chlorobenzene

Synonyms & Trade Names
Benzene chloride, Chlorobenzol, MCB, Monochlorobenzene, Phenyl chloride
CAS No.
108-90-7
RTECS No.
CZ0175000
DOT ID & Guide
1134 130
Formula
C6H5Cl
Conversion
1 ppm = 4.61 mg/m3
IDLH
1000 ppm
See: 108907
Exposure Limits
NIOSH REL
See Appendix D
OSHA PEL
TWA 75 ppm (350 mg/m3)
Measurement Methods
NIOSH 1003;
OSHA 7
See: NMAM or OSHA Methods
Physical Description
Colorless liquid with an almond-like odor.
Molecular Weight
112.6
Boiling Point
270°F
Freezing Point
-50°F
Solubility
0.05%
Vapor Pressure
9 mmHg
Ionization Potential
9.07 eV
Specific Gravity
1.11
Flash Point
82°F
Upper Exposive Limit
9.6%
Lower Explosive Limit
1.3%
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
Incompatibilities & Reactivities
Strong oxidizers
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose; drowsiness, incoordination; central nervous system depression; In Animals: liver, lung, kidney injury
Target Organs
Eyes, skin, respiratory system, central nervous system, liver
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet (flammable)
Change:No recommendation
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
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

See also
INTRODUCTION   ICSC CARD: 0642   MEDICAL TESTS: 0253
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