*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ9150000 CHEMICAL NAME : Phosphonic acid, methylenedi-, tetraethyl ester CAS REGISTRY NUMBER : 1660-94-2 BEILSTEIN REFERENCE NO. : 1813241 REFERENCE : 4-01-00-03071 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C9-H22-O6-P2 MOLECULAR WEIGHT : 288.25 WISWESSER LINE NOTATION : 2OPO&O2&1PO&O2&O2 SYNONYMS/TRADE NAMES : * Methylenebis(diethylphosphonate) * Methylenedi(phosphonic acid) tetraethyl ester *** 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#03139 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***