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�a No.318 Material Safety Data Sheet 1900=P h.YLF,,F iXedIsomers) From Genium's Reference Collection (Revision D) Genium Publishing Corporation 1145 Catalyn Street Issued:November 1980 Schenectady,NY 12303-1836 USA eerouu ruauswsno conn. Revised August 1988 (518)377-8855 ::--26 _ SECTION i.:MATERIAL;IDENTIFICATION 3 htaterlal Name: XYLENE(Mixed lsomcrs) Description (Origin/Uses): Used as a raw material for the production of benzoic acrd,phthalic anhydride isophthalic 2 0 and tcrephthatie acids and their dimethyl esterspy the manufacture or polyester fibers;in sterilizing catgut;with NFPA _ Canadian balsam as oil-immersian in microseo and as a cleaning agent in microscoPlc techniques. Other Designations: Dimethyibenzene;Xylol; CAH,;CAS No.1330 20-7 H S Nlanuraclurer: Contact your supplierordistribuwr. CtonsultthelatesteditionoftheChemicafweek I1M1S R 1 Buyers'Guide(Genium ref.73)for a List of suppliers. R 0 1 3 Comments: Although there arc three different isomers of xylene(onha,meta,and para),the health and physical PPG' S 2 hazards°f all three isomers are very similar, This MSDS is written for a xylene mixture of all tttsea isomers, +See stet.B K 3 which is usually commercial xylene. SECTION 2: INGREDIENTS AND HAZARDS % EXPOSURE:.I;IMITS IDLH"' Level:1000 ppm Xylene(Mixed Isomers), CAS No.1330-20 7' ++ OSHA FEL +o.Xylene,CAS No.009547-6 S-HrTWA'1o0 ppm,435 mglm' m-Xylene,CAS No. 0106-3S-3 ACGIH TLVs, 1987-88 — p-Xylene,CAS No.0106-42-3 TLV-TWA-100 ppm,435 mg/m' "Check with your supplier to determine if there are additions,contarniaanis,°r TLV-STEL.150 ppm,655 mg/m' impurities(such as benzene)that are present in repormb)e quantities per Toxicity Data 29 CFR 1910. ."Immediately dangerous to life and health. Human,Inhalation,TCL,:200 ppm Man,Inhalation,LC.: 10000 ppm16 Hrs _. +•+a See NIOSH,RTE {No.ZE2100400),for additional data with references Rat,Oral,LD.,4300 mglkg to reproductive,irrit2tive,and mutagenic effects. SECTION 3 :PHYSICAL:.DATA Water Solubility(%): Insoluble Bolling point: 2757 to 2937(135'C to 145'C}+ Molecular Weight: 106 GramslMolc 54e1tlne Point: -13'F(-25'C) Volatile by Volume:Ca 100 Evaporation Rate:0.6 Relative m BvAc=1 Vapor Pressure: 7 to 9 Torrs at 66'F(20'C) Specific Gravity(H,0 =1): 0.86 vapor Density(Air=1) 3.7 Appearance and Odor:A clear liquid;aromatic hydrocarbon odor. +Nlaterials with wider and oarrowcr boiling ranges are commercially available. W SECTION 4 F3� IRE AND EXPLOSION"-D TA Flash Point and Method Autoignition Temperature Flammability Limits in Air 1 so 79a -"' � 867';(464-C) ffa bti•Volume 917 to 907(_7'C to 3_z'C) Extinguishing Medla.Use foam,dry chemical,or carbon dioxide.Use water sprays w reduce the rate of burning and to coo!containers. Unusual Fire or Explosion Hazards:Xylemvapor is heavier than air and may travel a considerable distance to a]ow-lying source of ignition and flash back. Special and flash baa:s Procedures: Wear a self contained breathing apparatus(SOBA)with a full facepiece operated in the pressure- demand or positive-pressure mode. SECTION �. RE.4CTIVITI DATA xylmc is stable in closed containers during routine operuioas. It docs no:undergo hazardous polymcrizati°n. oxidize s. Chemical Incompatibilities:This ma(coal-riiayrcactdangerousiyur stung Conditions to Avoid: Avoid any exposure to sources of ignition and to Strong oxidizers. n: Carbon monoxide(CO)may be evolved during xyle Hazardous Products of Decompositione foes.