*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ0177250 CHEMICAL NAME : Phosphine oxide, dibutylhexyl- CAS REGISTRY NUMBER : 74038-17-8 LAST UPDATED : 197901 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C14-H31-O-P MOLECULAR WEIGHT : 246.42 WISWESSER LINE NOTATION : OP6&4&4 SYNONYMS/TRADE NAMES : * Di-N-butyl-N-hexylphosphine 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 : 56 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#03121 *** END OF RECORD ***