*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TB8962500 CHEMICAL NAME : Phosphoric acid, 4-chloro-m-tolyl cyclic 1-methyltrimethylene ester CAS REGISTRY NUMBER : 73972-75-5 LAST UPDATED : 197904 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H14-Cl-O4-P MOLECULAR WEIGHT : 276.67 SYNONYMS/TRADE NAMES : * 1,3-Butylene p-chloro-m-tolyl phosphate * 1,3,2-Dioxaphosphorinane, 2-(4-chloro-m-tolyloxy)-4-methyl-, 2-oxide *** 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 : 18 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#05742 *** END OF RECORD ***