*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ0175500 CHEMICAL NAME : Phosphine oxide, cyclohexyldihexyl- CAS REGISTRY NUMBER : 18470-21-8 LAST UPDATED : 197901 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C18-H37-O-P MOLECULAR WEIGHT : 300.52 WISWESSER LINE NOTATION : L6TJ APO&6&6 SYNONYMS/TRADE NAMES : * Cyclohexyldi-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 : 18 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#03109 *** END OF RECORD ***