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1NY(JVU204 - N1USH Pocket Guide to Chemical Hazards I CDC/NIOSH Page I of 1 <br /> NIOSH PockeYGuide to Chemical Hazards <br /> Ethyl benzene CAS 100-41-4 <br /> Fc H 3 CH 2C 6 H 5 RTECS DAO.. 00000 <br /> Synonyms & Trade Names DOT ID&Guide <br /> Ethylbenzol, Phenylethane 1175129 <br /> Exposure NIOSH REL:TWA 100 ppm (435 mg/m3) ST 125 ppm(545 mg/m3) <br /> Limits OSHA PELt:TWA 100 ppm(435 mg/m3) <br /> IDLH 800 ppm[10%LEL]See: 100414 Conversion 1 ppm -4.34 mg/m3 <br /> Physical Description <br /> Colorless liquid with an aromatic odor. <br /> MW: 106.2 —�rBP:277'F FRZ 139'F 0.01% -- � <br /> VP:7 mmHg IP: 8.76 eV — 1Sp.Gr. 0.87 <br /> FI.P: 55°F UEL:6.7% — 1 LEL:0.8% 11 <br /> Class IB Flammable Liquid: FI.P.below 73°F and BP at or above 100°F. <br /> I[Incompatibilities& Reactivities <br /> trong oxidizers <br /> Measurement Methods <br /> NIOSH 1501_;OSHA 7, 1002 <br /> See: NMAM or OSHA Methods <br /> Personal Protection &Sanitation First Aid(See procedures) <br /> Skin: Prevent skin contact Eye:Irrigate immediately <br /> Eyes:Prevent eye contact Skin:Water flush promptly <br /> Wash skin:When contaminated Breathing: Respiratory support <br /> Remove:When wet(flammable) Swallow: Medical attention immediately <br /> Change:No recommendation <br /> Important additional information about respirator selection <br /> Respirator Recommendations NIOSH/OSHA <br /> Up to 800 ppm:(APF= 10)Any chemical cartridge respirator with organic vapor cartridge(s)'/(APF=50)Any air-purifying,full- <br /> facepiece respirator(gas mask)with a chin-style,front-or back-mounted organic vapor canister/(APF=25)Any powered, air- <br /> purifying respirator with organic vapor cartridge(s)'/(APF= 10)Any supplied-air respirator'/(APF=50) Any self-contained breathing <br /> apparatus with a full facepiece <br /> Emergency or planned entry into unknown concentrations or IDLH conditions: (APF= 10,000)Any self-contained breathing <br /> apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF= 10,000)Any <br /> supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in <br /> combination with an auxiliary self-contained positive-pressure breathing apparatus <br /> Escape:(APF=50)Any air-purifying,full-facepiece respirator(gas mask)with a chin-style,front-or back-mounted organic vapor <br /> canister/Any appropriate escape-type, self-contained breathing apparatus <br /> Exposure Routes inhalation,ingestion, skin and/or eye contact <br /> Symptoms Irritation eyes,skin,mucous membrane;headache;dermatitis;narcosis,coma <br /> Target Organs Eyes,skin, respiratory system,central nervous system <br /> See also: INTRODUCTION See ICSC CARD:0268 See MEDICAL TESTS:0098 <br /> NIOSH Home I NIOSH Search I Site Index I Topic List I Contact Us <br /> http://www.cdc.gov/niosh/npg/npgdO264.htm] 4/15/2005 <br />