*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CQ7370000 CHEMICAL NAME : Barbituric acid, 5,5'-(1,3-pentadien-1-yl-5-ylidene)di- CAS REGISTRY NUMBER : 63811-39-2 OTHER CAS REGISTRY NOS. : 26134-70-3 BEILSTEIN REFERENCE NO. : 0343925 REFERENCE : 4-26-00-02701 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H10-N4-O6 MOLECULAR WEIGHT : 318.27 WISWESSER LINE NOTATION : T6VMVMV FHJ F1U2U2U- ET6MVMVYVJ SYNONYMS/TRADE NAMES : * 5,5'-(1,3-Pentadien-1-yl-5-ylidene)dibarbituric acid * Pentamethinedibarbituric acid *** 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 : 56 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#00635 *** END OF RECORD ***