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IIiII II III III II � �I <br /> .� 11111 <br /> Illll 1111111111 1111 Kill f111111 11111I lil <br /> I <br /> Chemical Fact Sheet <br /> Chemical <br /> Abstract 1330207 <br /> Number (CAS - <br /> Total xylenes <br /> y Benzene, dimethyl- <br /> Synonyms <br /> Xylenes <br /> Xylene, (total) <br /> Analytical FUA Method 8240E <br /> Method — <br /> Molecular <br /> Formula C8H10 <br /> RAW MATERIAL FOR PRODUCTION OF BENZOIC ACID;AS SOLVENT; MANUFACTURING DYES& <br /> OTHER ORGANICS; STERILIZING CATGUT;PRODUCTION OF PHTHALIC ANHYDRIDE,ISOPHT'HALIC& <br /> TEREPHTHALIC ACIDS &THEIR DIlIIETHYL ESTERS USED IN MANUFACTURE OF POLYESTER FIBERS; <br /> WITH CANADA BALSAM AS OIL-IMMERSION IN MICROSCOPY;CLEANING AGENT IN"MICROSCOPE <br /> "� TECHNIQUE Manufacture of resins,paints,varnishes,general solvent for adhesives IN AVIATION GASOLINE; <br /> �. L PROTECTIVE COATINGS;SYNTHESIS OF ORG CHEMICALS SOURCE OF O-XYLENE,M-XYLENE,P- <br /> Use XYLENE&ETHYLBENZENE SOLVENT-EG,FOR PAINTS,COATINGS,ADHESIVES&RUBBER BACK- <br /> BLENDED <br /> ACK- <br /> BL ENDED INTO GASOLINE UNRECOVERED COMPONENT OF GASOLINE Used in manufacture of quartz crystal <br /> oscillators,hydrogen peroxide,perfumes',insect repellants, epoxy resins,pharmaceuticals,and in the leather <br /> industry./SRP: Used in histological laboratories.Used as a solvent in phenoxyalkanoic herbicides. (MEDICATION) <br /> Used in manufacture of pharmaceuticals Used as an indirect food additive for use only as a component of adhesives. <br /> Used as an indirect food additive polymer for use as a basic component of single and repeated use food contact surfaces. <br /> Xylene is used as a solvent in polysulfide polymer-polyepoxide resins. <br /> SOURCE OF P-XYLENE,61.7%;SOURCE OF O-XYLENE, 12.3%; SOLVENT FOR PAINTS &COATINGS,5.7%; <br /> -Consumption OTHER SOLVENT USES,3.1%; SOURCE OF ETHYLBENZENE,3.1%; SOURCE OF M-XYLENE,0.9%p; <br /> Patterns GASOLINE BACK-BLENDING &MISCELLANEOUS, 13.2%(1980 RECOVERED USE)Ortho-xylene, 15%;para- <br /> xylene,60%;miscellaneous, 14%;exports, 11%(1982)estimate/ <br /> pparent Color CLEAR LIQUID <br /> �. Odor 11sweet0dor <br /> Boiling Point 137-140 DEG C <br /> Molecular 106.16 <br /> Weight <br /> 11) 10.864 @ 20 DEG C/4 DEG C <br /> mor Threshold In air:5.00x10-5 ppm <br /> Concentration <br /> S f tl�Ity Data Xylene vapor may cause irritation of the eyes,nose,and throat At high concentrations,xylene vapor may cause severe <br /> breathing difficulties which may be delayed in onset Repeated or prolonged exposure may cause a skin rash. <br /> Xylenes will enter the atmosphere primarily from fugitive emissions and exhaust connected with their use in gasoline. <br /> ` Industrial sources include emissions from petroleum refining and their use as solvents and chemical intermediates. <br /> Discharges and spills on land and waterways result from their use in diesel fuel and gasoline,and storage and transport of <br /> E+i�vironmental petroleum products. Most of the xylenes are released into the atmosphere where they mayl photochem ically degrade by <br />