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INFUDUU49 - MUSH Pocket Guide to Chemical Hazards I CDC/NIOSH Page I of 1 <br /> NIOSH Pocket Guide to Chemical Hazards <br /> Benzene CAS 71 43-2 <br /> C6H6 RTECS CY1400000 <br /> Synonyms & Trade Names DOT ID& Guide <br /> Benzol, Phenyl hydride 1114 130 <br /> Exposure NIOSH REL:Ca TWA 0.1 ppm ST 1 ppm See Append_ix_A <br /> Lim itsOSHA PEL: [1910.1028]TWA 1 ppm ST 5 ppm See Appendix F <br /> IDLH Ca[500 ppm] See: 71432 Conversion 1 <br /> ppm=3.19 mg/m3 <br /> Physical Description <br /> Colorless to light-yellow liquid with an aromatic odor. [Note:A solid below 42°F.] <br /> MW:78.1 BP: 176°F FRZ.42°F Sol: 0.07% <br /> VP:75 mmHg IP:9.24 eV ji lffp.Gr 0.88 <br /> FI.P: 12°F FUEL:7.8% -� LEL: 1.2% --1 <br /> Class IB Flammable Liquid:FI.P.below 73°F and BP at or above 100°F. <br /> Incompatibilities& Reactivities <br /> Strong oxidizers,many fluorides&perchlorates, nitric acid <br /> Measurement Methods <br /> NIOSH 1500, 1501,3700, 3800;OSHA 12, 1005 <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: Soap wash immediately <br /> Wash skin: When contaminated Breathing: Respiratory support <br /> Remove:When wet(flammable) Swallow: Medical attention immediately <br /> Change: No recommendation <br /> Provide:Eyewash,Quick drench <br /> Important additional information about respirator selection <br /> Respirator Recommendations NIOSH <br /> At concentrations above the NIOSH REL,or where there is no REL,at any detectable concentration:(APF= 10,000)Any <br /> self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/ <br /> (APF= 10,000)Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure <br /> mode in 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,skin absorption,ingestion,skin and/or eye contact <br /> Symptoms Irritation eyes,skin,nose, respiratory system;dizziness;headache,nausea,staggered gait;anorexia,lassitude <br /> (weakness, exhaustion);dermatitis;bone marrow depression;[potential occupational carcinogen] <br /> Target Organs Eyes, skin, respiratory system,blood,central nervous system,bone marrow <br /> Cancer Site[leukemia] <br /> See also: INTRODUCTION See ICSC CARD:0015 See MEDICAL TESTS:0022 <br /> NIOSH Home I NIOSH Search I Site Index I Topic List I Contact Us <br /> http://www.cdc.gov/niosh/npg/npgd0049.htm] 4/15/2005 <br />