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Material Safety DataSheet No. 318 <br /> m <br /> From Geniu 's Reference Collection XYLENEed Isomers) <br /> Cknium Publitthing Ccrporatioo vision D) <br /> 1145 Gcalyn Sart issued: November 1980 <br /> 518 3 <br /> S dy, )377-88551836 USA "Num►uausle"o CORP. Revised: August 1988 <br /> 74955 <br /> SECTION L MATERIAL IDENTIFICATION :,:;,_.: ;:.>; .: ;..<.: >: :<•:::.>> >'v :<:.<_.:.::;;::. 26 <br /> Materiel Name: XYLENE(Mixed Isomers) <br /> Deseriptlos (Orlgia/Uses): Used as a raw material farthe production of beatoio acid,phthslic anhydride,isophthalic <br /> and teepl-&alic acids and their dimethyl eaten in the manufacture of polyester fibers;in sterilizing catpt;with 3 <br /> Canadian balsam as oil-immersion in micseaeapy;and•a cleaning Mat in microscopic techniques. <br /> Outer Designations: Dimethylbeaxeae;Xylol; CA • CAS No.1330.20-7 NFPA <br /> Masurectarer. Contact year supplier or disuibour. �.onsalt the latest odium of t o Chossical�asat RM <br /> jDryers Guide(Genium ref.73)for a list of suppliers. H 2 <br /> Comments: Although cites art three different isomers of xylene(onAvi ascra,and pwd),the health and physical F 3 R 1 <br /> 1 3 <br /> hazards of all thra isomers are very similar. Thi:MSDS is written ter a xylene mixture of all three isomers, RPGG <br /> S 2 <br /> which is usually commercial xylene. *See sect.8 K 3 <br /> DI <br /> SECTION 2. INGREENTS AND HAZARDS :9b ::EXP SURE LIMITS <br /> Xylene(Mixed Isomers),CAS No.1330-20.70 •• 11>114— LeveL• 1000 ppm <br /> **-Xylene,CAS No.0095-47-6 OSHA PEL <br /> m-Xylene,CAS No. 0109-31-3 11-Hr7WA: 100 ppm,435 mg/m' <br /> p-Xylene,CAS No.0106-42-3 ACGIH TLVs, 1997.88 <br /> "Check with your supplier to determine if there we additions,contaminants,or TLV--TWA:100 ppm,435 mg/0 <br /> impurities(such as benzene)that are present in reportable quantities per TLV-STEL 130 ppm,655 mg/& <br /> 29 CFR 1910. <br /> -Immediately dangerous to life and health. Toxicity Data0 p <br /> 0000 See NIOSH,RTECS(No.Z.E2100000),for additional data with references Human.Inhalation. <br /> L 7�:-1 200 ppm <br /> Man,IahaLtion,LC : 10000 ppm/6 His <br /> to mproduciive,irritative,and mutagenic effects. Rao ural,LDs:4306'm" <br /> - SECTION 3. PHYSICAL DATA <br /> Boiling Point: 275T to 2937(135T to 145'C)0 Water Solubility Insoluble <br /> - Melting Point: -137(-25'C) Molecular Weight: 106 Grams/Mole <br /> Evaporation Rate: 0.6 Relative a BuAc- 1 % Volatile by Volume:Ca 100 <br /> Specific Gravity (H2O x 1): 0.86 Vapor Pressure: 7 b 9 Tom at 687(20'C) <br /> Vapor Density (Air s 1): 3.7 <br /> Appearance and Odor: A oleo liquid;aromatic hydrocarbon odor. <br /> *Materials with wider and narrower boiling ranges are commercially available. <br /> [SECTION ieAND EXPLOSION DA A LOWER "JEERE <br /> Flash point and Method Auto' nition Te tore Flammability Limits in Air <br /> 8 1 T to 907(27'C to 32'C) 867T(464'C) I %by Volume 1% 7% <br /> Extinguishing Media: Use foam,dry chemical,of carbon dioxide.Use water sprays to reduce the rate of burning and to cool eonuinert. <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-fighting Procedures: Wear a self-contained breathing apparatus(SOBA)with a full facepiece operated in the pressure- <br /> demand or positive-pressure mode. <br /> SECTION S. REACTIVITY DATA <br /> Xylene is stable in closed containers during routine operations. It does not undergo hazardous polymerization. <br /> Chemical Incompatibilities: This material may react dangerously with strong oxidizers. <br /> Conditions to Avoid: Avoid any exposure to sources of ignition and to strong oxidizers. <br /> Hazardous Products of Decomposition: Carbon monoxide(CO)may be evolved during xylene fires. <br /> e..,.b,eIutaG®mNmobasCWPM"- <br />