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,1 OCCUPATIONAL SAFETY AND HEALTH GUIDELINE FOR <br /> BENZENE <br /> POTENTIAL HUMAN CARCINOGEN <br />' INTRODUCTION 2.Hazardous decompasiaon products TW=vapor and ga= <br /> S-,carbon numOx <br /> This guideline summarizes pertinent Information about ben- berumic, We) MY be released in a fare invdvidtg <br />' zene for workers. employers. and occupational safety and 3.Caution Berzene will attack some foram of plastics,coat. <br /> health professionals who mW need such information to con- dogk add rubber <br /> duct etfectmve OmupmtgW safety and halth programs,Ree n- Flaitunalift• <br /> mendatlons may be superseded by new developments in the <br />' folds. therefore. Maden an advised m regardt1>ese recorW E. Flash point -11.1°C(I2 OF)(closed cup) <br /> mendations as general guidelines 2' '�'gt>tuom oetrperature:498@C(92g'F') <br /> 3.Mable limits is am%by%dune:Lmw. IA:upper.7.1 <br />' SUBSTANCE IDENTIFICATION 4 int- Ak*W �• carbon dtoxido, and dry <br /> 0 Formula: CAH. five�but�used �m*.beam pec. <br /> fue-atpased cam- <br />' • Structure: o lamem <br /> 3 Class!B Flammable <br /> �Y Rates 3 MM) (29 CFR .19.10.106), >Flatmda. <br /> 6. riunud fire and exploadod hazu*:Bamtrie liquid is flard- <br /> mable. and its vapors czar easily form expitm a mumu, <br /> • SYMWIM Benzol,beizole,ber>mtaie.bicarbura cfhydno- F7ashbad3 MY occur along a vapor trail. <br /> gen. carbon oil, coal naphtha • Warning propertks <br /> • Idendflers:CNS 71-43-2:Rr=CY140000p.D0T 1114. 1.Odor dWW%old: 12 ppm <br /> label required 'Flammable Ljqud" 2. Eye irrroition levels: 3,000 ppm for 0.5-1 hour <br /> • Appearance add odor:Colorless liquid with am aromatic 3.Other Meson'34M ppm may irritate nose and reapua. <br />' odor tory tract. <br /> 4 Evaluation of wam%pmpenus for traprrasor aelecttom: <br /> CHEMICAL AND PHYSICAL PROPERTIES VAMing PMPMM am not wwiderW in.ecornmeidndg MW, <br />' <br /> Physical data a <br /> ratan for use with mmKgeas.' <br /> 1 Molecular weight 78.12 EXPOSURE LIMITS <br /> 2 Boding point(at 760 mmHg): <br />' 3. Specific gravel 8Q1�C(I716'Fy .I.�cutrettt .gravity(waters 1). an tonal Safety and Health Admilujiumon <br /> 4 Vlapor density(air - 1 at boiling point of ben ww): 2.7 (OSHA)p==0W elm limit(pM.)for bameae is I part <br /> S Melting point: 3.5'C(42-F) of butene Per Mah m para of air(PPM)as a <br /> Vapor Pressure at 20*C(68-F): 75 mmHg (TWA) uavoo mer an 94x%w works the <br />' 7 Solubility in <br /> watier.g/100 g wafer at 20#C(68-F): 0,06 short-term atpositre luau is 5 ppm m any lS-eamute <br /> 8 Evaporation rate(butyl aodaoe _ 0:5.1 Period. The NattmW Irstttttte for occupatoeni Safety mad <br /> 9 Saturation coroemlum m aur (approuimate) at� 25*C H�(NIOSH) that bcmm be complied mad r (77-F). 12.5% (12UW ppm) handled as a potential humagi <br /> carctnopli In do vjurjqgm and <br /> 10. Ionization pos mel.925 2V 105 be mduc�ed to diel fasibie Intim. 'Itte <br /> Roactivity ceded matt(REI.)a 4I ppm(0,32 <br /> ing� :Beitaetie team wadi x"aa>Rlmerc=:ju - MWWNM A �merer of air(enWuo)l as ad <br /> oxygen,and brotmae wah trod. Old I tgghtr3) as a edit in any <br /> L"O me P odL 7be NIOtSH REL:adm bweatem- <br /> U.B.DEPARTMENT OF HEALTH AND HUMAN SEpVK= <br /> Public Health Servl-,* Centers for Draease Cor&W <br /> Dl fkm OfStandwds Dwebprnertt a l�Malth <br /> Tedutolopy lira add <br /> 1888 <br /> Benzwo I <br />