*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GU1788000 CHEMICAL NAME : 1-Cyclobutene-1,2-dicarbonitrile CAS REGISTRY NUMBER : 3716-97-0 BEILSTEIN REFERENCE NO. : 0878353 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C6-H4-N2 MOLECULAR WEIGHT : 104.12 WISWESSER LINE NOTATION : L4UTJ ACN BCN SYNONYMS/TRADE NAMES : * 1,2-Cyclobutenedicarbonitrile * 1,2-Dicyanocyclobutene * 1,2-Dicyanocyclobutene-1 * 1,2-Dicyano-1-cyclobutene *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 150 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD691-490 *** END OF RECORD ***