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| Benzyl chloride | CAS 100-44-7 | ||
| C6H5CH2Cl | RTECS XS8925000 | ||
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Synonyms & Trade Names Chloromethylbenzene, alpha-Chlorotoluene |
DOT ID & Guide 1738 156 |
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Exposure Limits |
NIOSH REL: C 1 ppm (5 mg/m3) [15-minute] | ||
| OSHA PEL: TWA 1 ppm (5 mg/m3) | |||
| IDLH 10 ppm | 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 |
BP: 354°F |
FRZ: -38°F |
Sol: 0.05% |
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VP: 1 mmHg |
IP: ? |
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Sp.Gr: 1.10 |
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Fl.P: 153°F |
UEL: ? |
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 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation Provide: Eyewash, Quick drench |
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 |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| 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 |