*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ0176250 CHEMICAL NAME : Phosphine oxide, cyclopentyldiisobutyl- CAS REGISTRY NUMBER : 73986-83-1 LAST UPDATED : 198209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H27-O-P MOLECULAR WEIGHT : 230.37 WISWESSER LINE NOTATION : L5TJ APO&1Y1&1&1Y1&1 SYNONYMS/TRADE NAMES : * Cyclopentyldiisobutylphosphine oxide * Diisobutylcyclopentylphosphine 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 : 100 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#06307 *** END OF RECORD ***