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Material Safety Data Sheet No 318 <br /> GP <br /> From Genium's Reference Collection XYLENE (Mixed Isomers) <br /> • Gentum Publishing Corporation <br /> ' ( <br /> 1145 Catalyynn Street evasion D <br /> Schenectady,NY 12303-1836 USA issued November 1980 <br /> (518}377-8855 GENIum PuBus"ING CORP I Revised- August 1988 <br /> SECTION I. MATERIAL IDENTIFICATION 26 <br /> Material Name- XYLENE(Mixed Isomers) 3 <br /> Description (Origin/Uses) Used as a raw material for the production of benzoic acid,phthahc anhydnde,isophthalic Z o <br /> and temphthalic acids and their dimethyl esters to the manufacture of polyester fibers,in sterilizing catgut,with <br /> Canadian balsam as od-immersion in microscopy,and as a cleaning agent in microscopic techniques <br /> Other Designations Dimethylbenzene,Xylol, C,H o, CAS No 1330-20-7 NFPA <br /> Manufacturer. Contact your supplier or distnbutor &nsult the latest edition of the Chemicalweek 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 I 3 <br /> hazards of all three isomers are very similar This MSDS is written for a xylene mixture of all three isomers, R 0 <br /> which is usually commercial xylene PSee 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 009547-6 OSHA PEL <br /> m-Xylene,CAS No 0108-38-3 8-Hr TWA 100 ppm,435 mg/ml <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 mgl& <br /> impurities{such as benzene)that are present in reportable quantities per TLV-STEL. 150 ppm,655 mgle <br /> 29 CFR 1910 Toxicity Data"" <br /> "'Immediately dangerous to life and health Hu Inhalation,TCS 200 ppm <br /> **** See NIOSH,RTECS(No ZE2100000),for additional data with references Man ahalatlation, n, 10000 ppm/6 Hes <br /> to reproductive,irritative,and mutagenic effects Rat,pial,LD, 43&mgft <br /> SECTION 3. PHYSICAL DATA <br /> Bolling Point 275'F to 293*F(l35'C to 145'C)* Water Solubility (%)- Insoluble <br /> Melting Point -13'F(-25'C) Molecular Weight- 106 GramslMole <br /> Evaporation Rate 0 6 Relative to BuAc= 1 % Volatile by Volume Ca 100 <br /> Specific Gravity (H2O = 1) 0 86 Vapor Pressure 7 to 9 Tors at 68'F(20'C) <br /> Vapor Density (Air = 1). 3 7 <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 EXPL SI N DATA LOWER UPPER <br /> Flash Point and Method Autoignttion Temperature Flammability Lunits to Art <br /> 817 to 90-F(27-C to 32*C) 867*F(464-C) %by Volume 1% 7% <br /> Extinguishing Media Use foam,dry chemical,or carbon dioxide Use water sprays to reduce the rate of burnmg 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 /> Special Fire-righting Procedures Wear a self-contained breathing apparatus(SCBA)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 /> wConditions to Avoid Avoid any exposure to sources of ignition and to strong oxidizers <br /> i <br /> f <br /> - Hazardous Products of Decomposition- Carbon monoxide(CO)may be evolved dunng xylene fires <br /> copvnbtt O 198E Gemum Pubiul=g CorpmatW& <br /> Aw <br />