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Ethyl benzene |
CAS 100-41-4 | ||
CH3CH2C6H5 |
RTECS DA0700000 | ||
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Synonyms & Trade Names Ethylbenzol, Phenylethane |
DOT ID & Guide 1175 130 |
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Exposure
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NIOSH REL: TWA 100 ppm (435 mg/m3) ST 125 ppm (545 mg/m3) | ||
| OSHA PEL†: TWA 100 ppm (435 mg/m3) | |||
| IDLH 800 ppm [10%LEL] See: 100414 | Conversion 1 ppm = 4.34 mg/m3 | ||
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Physical Description Colorless liquid with an aromatic odor. |
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MW: 106.2 |
BP: 277°F |
FRZ: -139°F |
Sol: 0.01% |
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VP: 7 mmHg |
IP: 8.76 eV |
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Sp.Gr: 0.87 |
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Fl.P: 55°F |
UEL: 6.7% |
LEL: 0.8% |
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| Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 1501; OSHA 7, 1002 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 (flammable) Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 800 ppm: (APF = 10) Any chemical cartridge respirator with 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 = 25) Any powered, air-purifying respirator with organic vapor 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 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, mucous membrane; headache; dermatitis; narcosis, coma | |
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Target Organs
Eyes, skin, respiratory system, central nervous system |
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| See also: INTRODUCTION See ICSC CARD: 0268 See MEDICAL TESTS: 0098 |