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<br /> Material Safety Data Sheets Collection:
<br /> Genlum Publishing Corporation
<br /> 1145 CatalyriiStreet Sheet No.467
<br /> Schenectady,NY 12303-1836 USA Automotive Gasoline, Lead-free
<br /> (518)377-8654 r
<br /> Issued: 10181 Revision: A, 9191
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<br /> Automotive Gasoline,Lead-free,Description:A mixmm of volatile hydrocarbons composed mainly of branched-chain R 1 NFPA
<br /> paraffins,cycloparaffias,olefins,naphtheaes,and aromatics.in general,gasoline is produced from petroleum,shale oil, S 2• 3
<br /> Athabasca tar sands,and coal.Motor gasolines are made chiefly by cracking processes,which convert heavier petroleum 1 0
<br /> fractions into more volatile fractions by thermal or catalytic decomposition.Widely used as fuel in internal combustion K 4
<br /> engines of the spark-ignited,reciprocating type.Automotive gasoline has an octane number of approximately 90.A high 'Skin
<br /> content of aromatic absorption hydrocarbons and a consequent high toxicity are also associated with a high octane rating.Some: HMIS
<br /> gasolines sold in the US contain a minor proportion of tetraethyllead,which is added in concentrations not exceeding 3 ml H 2
<br /> per gallon to prevent engine"knock."however,methyl-tent-butyl ether(MTBE)has almost completely mplaced F 3
<br /> tetraethyllead. R 1
<br /> Other Designations:CAS No.8006-61-9,benzin,gasoline,gasolene,motor spirits,natural gasoline,petrolPPG#
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<br /> Manufacturer:Contact your supplier or distributor.Consult latest'Chonical Week Buyers'GuidecM for a suppliers list- #See.$
<br /> Cautions:Inhalation of automotive gasoline vapors can cause intense burning in throat and lungs,central nervous system(CNS)
<br /> depression,and possible fats]pulmonary edema.Gasoline is a dangerous fire and explosion hazard when exposed to heat and flames.
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<br /> Automotive gasoline,lead-fru• r
<br /> 1990 OSHkPELs 1996-91 ACGIH TLVs 19&586 Toxicity Data
<br /> 8-hr TWA:300 ppm,900 mg/m? TWA:300 ppm,.890 mg/m' Man,inhalation,TC,.:900 ppm/1 hr toxic effects include sense
<br /> 15-min STEL•500 ppm, 1500 mg/& STEL:500 ppm, 1480 mg/m' organs and special senses(conjunctiva irritation),behavioral
<br /> I 4 (hallucinations,distorted perceptions),lungs,thorax,or
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<br /> None established Human,eye: 140 ppm/8 hr;toxic effects include mild irritation
<br /> A - Rat,inhalation,L.C.:300 gleI5 min
<br /> •A typical modern gasoline composition is 80%paraffins,14%aromatira,and 6%olefins.The mean benzene content is approximately I%.Other additives include
<br /> sulfur,phosphorus,and MTBE.
<br /> t See NIOSH,RTECS fLX3300000),for additional toxicity data.,, f
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<br /> Bolling Point:Initially, 102'F(39'C);after 10%distilled, 140 7 Density/Specific Gravity:0.72 to 0.76 at 60'F(15.6'C)
<br /> (60'C);after 50%distilled,230'F(110'C);afar 90%distilled,f Water Solubility:Insoluble
<br /> 338-F(170"C);final boiling point,399 7(204'C)
<br /> Vapor Density(air=1):3.0 to 4.0 R'
<br /> Appearance and Odor- A clear(gasoline may be colored with dye),mobile liquid with a characteristic odor recognizable at about 10 ppm in air.
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<br /> Flash Point,-45-F(43-C) Autolgaltion Temperature:536 to 853'F(280 to 456'C) LEL: 1.39E v/v UEL:6.0%v/v
<br /> Extinguishing Media: Use dry chemical,carbon dioxide,or alcohol foam as extinguishing media.Use of water may be ineffective to extinguish
<br /> fire,but use water spray to knock down vapors and to cool fire-exposed drums and tanks to prevent pressure rupture.Do not use a solid stream of
<br /> water since it may spread the fueL
<br /> Unusual Fire or Explosion Hazards:Automobile gasoline is an OSHA Class IB flammable liquid and a dangerous fire and explosion hazard
<br /> when exposed to heat and flames.Vapors can flow to an ignition source and flash back.Automobile gasoline can also react violently with
<br /> oxidizing agents.
<br /> Special Fire-righting Procedures:Isolate hazard arta and deny leistry.Since fire may produce toxic fumes,wear a self-contained breathing
<br /> apparatus(SOBA)with a full facepiece operated in pressuie-demand or positive-pressure mode,and full protective ciothing.When the fire is
<br /> extinguished,use nonsparking tools for cleanup.Be aware'iof runoff from fire control methods.Do not release to sewers or waterways. '
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<br /> Stnbilltr/Pol -merization:Automotive gasoline is stable at room temperature in closed containers under normal storage and handling conditions.
<br /> Hazardous polymerization cannot occur.
<br /> Chemical lncorupatlbilitles: Automotive gasoline can Tract with oxidizing materials such as peroxides,nitric acid,and perchiorates. ,
<br /> Conditions to Avoid: Avoid heat and ignition sources.
<br /> Hazardous Products of Decomposition:Thermal oxidative decomposition of automotive gasoline can produce oxides of carbon and partially
<br /> oxidized hvdrocarboas. t
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