*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UV9745000 CHEMICAL NAME : Pyrimidine, 2,4,5,6-tetrachloro- CAS REGISTRY NUMBER : 1780-40-1 BEILSTEIN REFERENCE NO. : 0145778 REFERENCE : 5-23-05-00347 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C4-Cl4-N2 MOLECULAR WEIGHT : 217.86 WISWESSER LINE NOTATION : T6N CNJ BG DG EG FG SYNONYMS/TRADE NAMES : * Perchloropyrimidine * Tetrachloropyrimidine * 2,4,5,6-Tetrachloropyrimidine *** 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 : 32 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#07768 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***