*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GU1776000 CHEMICAL NAME : 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl-, disemicarbazone CAS REGISTRY NUMBER : 73806-30-1 BEILSTEIN REFERENCE NO. : 3387023 REFERENCE : 0-07-00-00564 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H18-N6-O2 MOLECULAR WEIGHT : 254.34 WISWESSER LINE NOTATION : L4Y CYTJ AUNMVZ B1 B1 CUNMVZ D1 D1 SYNONYMS/TRADE NAMES : * Disemicarbazone of 2,2,4,4-tetramethylcyclobutanedione *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 320 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#01536 *** END OF RECORD ***