*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GU1850000 CHEMICAL NAME : 2-Cyclobuten-1-one, 2,3,4,4-tetrachloro- CAS REGISTRY NUMBER : 3200-96-2 BEILSTEIN REFERENCE NO. : 1864941 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-Cl4-O MOLECULAR WEIGHT : 205.84 WISWESSER LINE NOTATION : L4V BHJ BG BG CG DG COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * Perchloro-2-cyclobutene-1-one * Perchlorocyclobutenone * Perchlorocyclobut-2-enone * Tetrachlorocyclobutenone *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 280 mg/kg/70W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application REFERENCE : JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60, 1940-78. For publisher information, see JJIND8. Volume(issue)/page/year: 46,143,1971 *** END OF RECORD ***