*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ0176500 CHEMICAL NAME : Phosphine oxide, cyclopentyldipentyl- CAS REGISTRY NUMBER : 17636-48-5 LAST UPDATED : 197901 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C15-H31-O-P MOLECULAR WEIGHT : 258.43 WISWESSER LINE NOTATION : L5TJ APO&5&5 SYNONYMS/TRADE NAMES : * Cyclopentyldi-N-pentylphosphine 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#03117 *** END OF RECORD ***