Benzyl chloride
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CAS
100-44-7
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C6H5CH2Cl
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RTECS
XS8925000
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Synonyms & Trade Names
Chloromethylbenzene, alpha-Chlorotoluene
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DOT ID & Guide
1738 / 156
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Exposure
Limits
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NIOSH REL: C 1 ppm (5 mg/m3) [15-minute]
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OSHA PEL: TWA 1 ppm (5 mg/m3)
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IDLH
10 ppm
See: 100447
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Conversion
1 ppm = 5.18 mg/m3
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Physical Description
Colorless to slightly yellow liquid with a pungent, aromatic odor.
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MW: 126.6
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BP: 354°F
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FRZ: -38°F
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Sol: 0.05%
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VP: 1 mmHg
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IP: ?
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Sp.Gr: 1.10
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Fl.P: 153°F
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UEL: ?
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LEL: 1.1%
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Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
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Incompatibilities & Reactivities
Oxidizers, acids, copper, aluminum, magnesium, iron, zinc, tin [Note: Can polymerize when in contact with all common metals except nickel & lead. Hydrolyzes in H2O to benzyl alcohol.]
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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 or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 10 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor and acid gas cartridge(s)*
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor and acid gas canister
(APF = 25) Any powered, air-purifying respirator with organic vapor and acid gas cartridge(s)*
(APF = 10) Any supplied-air respirator*
(APF = 50) Any self-contained breathing apparatus 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 and acid gas 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; lassitude (weakness, exhaustion); irritability; headache; skin eruption; pulmonary edema
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Target Organs
Eyes, skin, respiratory system, central nervous system
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See also: INTRODUCTION
See ICSC CARD: 0016 See MEDICAL TESTS: 0024
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