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µ t1 <br /> Materia[ Safety Data Sheet No 318 <br /> From Gemum's Reference Collection XYLENE (Mixed Isomers) <br /> Genium Publishing Corporation (Revision D) <br /> NY 12 <br /> 1145 Street Issued November 1980 <br /> Schenectady,NY 12303-1836 USA Revised August 19S$ <br /> (518)377-8855 GENIUM PUBLISHING CORP g <br /> SECTION I. MATERIAL IDENTIFICATION 26 <br /> Material Marne XYLENE(Mixed isomers) 3 <br /> Description (Origin/Uses) Used as a raw matenal for the production of benzoic.acid,plithalic anhydride,isophthalic 2 <br /> and terephthahc acids and their dimethyl esters in the manufacture of polyester fibers,in sterilizing catgut,with <br /> Canadian balsam as oil-immersion in microscopy,and as a cleaning agent in microscopic techniques <br /> Other Designations Dunethylbenzene,Xylol, C.H, , CAS No 1330-20-7 NFPA <br /> Manufacturer Contact your supplier or distributor Consult the latest edition of the Chemecalweek HMIS <br /> Buyers Guide(Genium ref 73)for a list of suppliers H 2 R 1 <br /> Comments Although there are three different isomers of xylene(ortho,meta,and para),the health and physical F 3 1 3 <br /> hazards of all three isomers are very similar This MSDS is written for a xylene mixture of all three isomers, PPG 4 S 2 <br /> which is usually commercial xylene *See sect 8 K 3 <br /> SECTION 2. INGREDIENTS AND HAZARDS % EXPOSURE LIMITS <br /> Xylene(Mixed Isomers),CAS No 1330-20-7* ** IDLH"" Level 1000 ppm <br /> *o-Xylene,CAS No 0095-47-6 OSHA PEL <br /> m Xylene,CAS No 0108-38-3 8-Hr TWA 100 ppm,435 mg/m' <br /> p-Xylene,CAS No 0106-42-3 ACGIH TLVs, 1987-88 <br /> "Check with your supplier to determine if there are additions,contaminants,or TLV-TWA 100 ppm,435 nag/m' <br /> impurities(such as benzene)that are present in reportable quantities per TLV-STEL 150 ppm,655 mg/e <br /> 29 CFR 1910 <br /> "Immediately dangerous to life and health Toxicity Data—' <br /> **** See NIOSH,RTECS(No ZE2100000),for additional data with references Human,Inhalation,TC,, 200 ppm <br /> Man,Inhalation,LCA 10000 ppm/6 His <br /> to reproductive,irritative,and mutagenic effects Rat,Oral,LDS 4300 mg/kg <br /> SECTION 3. PHYSICAL DATA <br /> Boiling Point 275 F to 293'F(135°C to 145'C)* Water Solubillt) (%) Insoluble <br /> Melting Point -137(-25 C) Molecular Weight 106 Grams/Mole <br /> Evaporation Rate 0 6 Relative to BuAc= 1 % Volatile by Volume Ca 100 <br /> Specific Gravity (H2O = 1) 086 Vapor Pressure 7 to 9 Torrs at 68'F(20*C) <br /> Vapor Density (Air 1) 37 <br /> Appearance and Odor A clear liquid,aromatic hydrocarbon odor <br /> *Materials with wider and narrower boiling ranges are commercially available <br /> SECTION 4 FIRE AND EXPLOSION DATA LOWER UPPER <br /> Flash Point and Method Autoignition Temperature Flammability Limits to Air <br /> 81'F to 90'F(27'C to 32'C) 867-F(464-C) %b) Volume 1� 7% <br /> Extinguishing Media Use foam,dry chemical,or carbon dioxide Use water sprays to reduce the rate of burning and to cool containers <br /> Unusual Fire or Explosion Hazards Xylene vapor is heavier than air and may travel a considerable distance to a low-lying source of <br /> ignition and flash back <br /> I <br /> Special Fire-fighting Procedures Wear a self-contained breathtng apparatus(SOBA)with a full facepiece operated in the pressure- <br /> demand or positive-pressure mode <br /> SECTION 5. REACTIVITY DATA <br /> Xylene is stable inclosed containers during routine operations It does not undergo hazardous polymerization <br /> Chemical Incompatibilities This material may react dangerously with strong oxidizers <br /> Conditions to AN oid Avoid any exposure to sources of ignition and to strong oxidizers <br /> Hazardous Products of Decomposition Carbon monoxide(CO)ma) be evolved during xylene fires <br /> Copynght©1988 G.,..Publuhwg Corpmkim <br /> Any co- frnal ice 07 TMOductfor%%5L'mve 014 nuhTtSherc Temic%—< ted <br />