*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : ON4025000 CHEMICAL NAME : Maleic anhydride, dimethyl- CAS REGISTRY NUMBER : 766-39-2 LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C6-H6-O3 MOLECULAR WEIGHT : 126.12 WISWESSER LINE NOTATION : T5VOVJ D1 E1 COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * alpha,beta-Dimethylmaleic anhydride *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 2600 mg/kg/65W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application REFERENCE : BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year: 19,392,1965 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***