*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TA0990000 CHEMICAL NAME : Phosphonic acid, trichloromethyl-, monohydrate CAS REGISTRY NUMBER : 20193-79-7 LAST UPDATED : 197901 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C-H2-Cl3-O4-P.H2-O MOLECULAR WEIGHT : 233.37 WISWESSER LINE NOTATION : GXGGPQQO &QH SYNONYMS/TRADE NAMES : * Trichloromethylphosphonic acid, monohydrate *** 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 : 178 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#00719 *** END OF RECORD ***