*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ7575000 CHEMICAL NAME : Phosphonic acid, (3,4-dichlorobenzyl)-, dibutyl ester CAS REGISTRY NUMBER : 74038-40-7 LAST UPDATED : 198909 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C15-H23-Cl2-O3-P MOLECULAR WEIGHT : 353.25 WISWESSER LINE NOTATION : GR BG D1PO&O4&O4 SYNONYMS/TRADE NAMES : * Di-n-butyl (3,4-dichlorobenzyl) phosphate * Dibutyl (3,4-dichlorobenzyl)phosphonate *** 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#02464 *** END OF RECORD ***