*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EJ0475000 CHEMICAL NAME : 1,3-Butadiene, 2,3-dimethyl-1-(p-nitrophenylazo)- CAS REGISTRY NUMBER : 73758-21-1 BEILSTEIN REFERENCE NO. : 3309700 REFERENCE : 1-16-00-00225 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H13-N3-O2 MOLECULAR WEIGHT : 231.28 WISWESSER LINE NOTATION : WNR DNUN1UY1&Y1&U1 SYNONYMS/TRADE NAMES : * 1-(p-Nitrophenylazo)-2,3-dimethyl-1,3-butadiene *** 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 : 180 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#01703 *** END OF RECORD ***