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apSix.lion 1. Material Identification:Genium Publishing Corporation Material Safety Data Sheets Collection:Sheet No. 385Schenectady,USA Ethylbenzeneone Genium PIazaNY 12304490(518) 377-8854Issued: 8/78 Revision: B, 9192Ethylbenzene (CJi&Hs) Description: Derived by heating benzene and ethylene in presence of aluminum chloride with R 1 NFPAsubsequent distillation, by fractionation directly from the mixed xylene stream in petroleum reftig, or Qhydrogetmtion I 3of naphthenes. Used as a solvent. an antiknock agent in gasoline: and as an intermediateproduction of synthetic rubber, S 2*230stymne. cellulose acetate, diethylbenxen~ acetophenone, ethyl anthraquinone. propyl oxide, and a-methylbenxol alcohol. FSb4 _Other Deaignationse CAS No. 100414. ethylbenxnl, EB. phenylethane. NCIC56393.49Manufacturec Contact your supplier or distributor. Consult latest Chemical Week Buyers' Guidcm) for a suppha~ list, absolptioa I+fIsCautions: Ethylbenzene is a skin and mucous membrane irritant considered the most irritating of the benxene series. Inhalationcauses acute and chronic central nervou system (CNS) effects. It is highly flammable and forms explosive m&nrea with air.: Section 2. Ingredients and Occupational Exposure LimitsEthylbenzene, ca >99.0%. Impurities include - 0.1% meta & puru xylene. - 0.1% cumene, and - 0.1% toluene.39F PR 0PPE-See8t cbroaiceffeas1991 OSHA PELa 1992.93 ACGIH TLVs 1985-86 Toxicity Data*8-hr TWA: 100 ppm (435 mg/m3) TWA: 100 ppm (434 mg/m’) Human. inhalation. TClp: 100 ppmEs hr caused eye effects.15-min STEL: 125 ppm (545 mg/m’) STEL: 125 ppm (545 mg/m3) sleep, and respiratory changes.Action Level: 50 ppm (217 mg/m3) 1990 DPG (Germany) MAK Human, lymphocyte: 1 mmol/L induced sister chtomatid1990 IDLH Level TWA: 100 ppm (440 mg/m3) exchange.2000 mm catcgoly 1: local i&ants Rat. OraL LD,: 3500 mgAtg; toxic effects not yet reviewed1990 NIOSH RRLPeak Exposure Limit 200 ppm. 5 min Rat (female). itlhalati0~ T&: 1000 ppml7 hr/day, 5 days/momentary value, max of S/shiftTWA: 100 ppm (435 mg/m’)wk. for 3 wk prior to mating and daily for 19 days of gesta-Danger of cutaneous absorptionSTEL: 125 ppm (545 mg/m3)tion produced pups with high lncldence of exna ribs!*rs)l See NIOSH, RTECS @Ao700000), fcr additioaal initatioa, mutatioa, reproductive, aad toxicity date.:&-on 3, physic& Data, i.i:-:.:-i,,.i.i.:;:;::-: ..i~::,~::,,:~:i:“i.:.-::..: ..: . ::.;.:‘1: ::.;;i :I’..-.i;j,,,f.,:. :,:,;,~.;:i.~;;;:.:f :::j:~;:.~Rolling Point: 277 ‘F (136‘C) Mokedar Weight: 106.16Melting Point: -139‘F (-95‘C) Density 0.863 at 77 ‘F (25 ‘C)Surface Tension: 31 J dyndcm Watar Solubility: Slightly. 14 mg/lOO mL at 59 ‘F (15‘C)IonizationViscosity:Potent&l: 8.76 eV0.64 CP at 77 ‘F (25‘C) Other Solubilities: Miscible in alcohol, etha, soluble in carbon tetrachloride. benzene.suIfur dioxide, and many organic solvents. insoluble in ammoniaR&action Index: 1.4959 at 68 ‘F (20‘C)Odor ThreshokI: 2.3 ppmRelative Evaporation Rate (ether = 1): 0.0106Bulk Density: 7.21 lb/Gal at 77 ‘F (25‘C) Vapor Pressure: 7.1 nun Hg at 68 ‘F (20‘C); 10 mmHg at 78.62 ‘F (25.9‘C); 100 mm Hg165.38 ‘F (74.1‘C)~ Critics1 Temperature: 65 1 ‘F (343.9 l C) Saturated Vapor Density (Air = 0.075 lb/p or 1.2 kg/m’> 0.0768 lb/n’, or 1.2298 kg/m31 Critical Pressure: 35.6 atmAppearance and Odor: Colorless, flammable liquid with a pungent odor.Section 4. Fire and Explosion Data ... :Ii&tab Point: 64 ‘F (18 ‘C) CC 1 Autoignition Temperature: 810 l F (432‘C) 1 LEL: 1.0% v/v 1 LJEL: 6.7% v/vExtinguishing Media: Class 1 B Flammable liquid. For small fires. use dry chemical, carbon dioxide, or ‘alcohol-msistant’ foam. For large fues, us(fog or ‘alcohol-resistant’ foam. Use water only if other agents are unavailable: EB floats on water and may travel to an ignition source and spreadfire. Unusual Fire or Explosion Haxardat Burning rate = 5.8 mm/mm. Vapors may travel to an ignition source and flash back. Container mayexplode in heat of fire. EB poses a vapor explosion hazard indoors, outdoors, and in sewas. Special Fin-fighting Procedures: Because fire mayproduce toxic thermal decomposition products, wear a self-contained breathing apparatus (SCBA) with a full facepiece operated in pressure-demandor positive-pressure mode. Cool container sides with water until well after fue is out Stay away from ends of tanks. For massive fire in cargo area,usa monitor nozles or unmanned hose holders; if impossible, withdraw from area and let fue burn. Withdraw immediately if you hear rising soundfrom venting safety device or notice any tank diiloration due to fire. Do not release runoff from fire contml methods to sewers or waterways.Section 5. Reactivity DataS~bfi~/Polymer~tion: E~ylbemene is stable at room temperature in closed containers under normal storage and handling conditions. Hazardoupolymerization cannot occur.Chemicai Incompatibilitk Reacts vigorously with oxidiizer~.Conditions to Avoid: Exposure to heat and oxidizer.I&xardoua Product.9 uf Decomposit~n: Thermal oxidative decomposition of EB can produce acrid smoke and irritating fumes.Section 6. Health Hazard DataCarcinogenicity: The IARC. (I&) NTP.(169) and OSHA(t*l do not list EB as a carcinogen. Summary of Risk Occupational exposure to EB aloneis rare since it is usually presentogether with other solvents. EB is irritating to the eyes. skin, and respiratory tract. Vapor inhalation ptoducesvarying degrees of CNS effects depending on concentration. The liquid is absorbed thtough the skin but vapon are not. 56 to 64% of inhaledethylbenzene is retained and metabolized. Urinary mefabolites following exposure to 23 to 85 ppm for 8 hr are mandeiic acid (64%). phenylglyoxylicacid (25%). and methylphenylcarbinoYl-phenyl ethanol (5%). Concurrent exposure to xylene and ethylbenzene causeslower excretionof EB metabolites. Based on the rat II&, one manufacturer gives 3 to 4 oz. as the lethal dose for a 100 lb person. CmliNit on next plgcCopyhgbt a 1992 Gmum Publisinnfi Cuponum. My cummtxd am Q fqmthaim VilboM the pblihefr prmurim is pobibiti