*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TB6070000 CHEMICAL NAME : Phosphorane, (bis(phenylazo))methylenetriphenyl- CAS REGISTRY NUMBER : 73972-71-1 LAST UPDATED : 198209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C31-H25-N4-P MOLECULAR WEIGHT : 484.57 WISWESSER LINE NOTATION : RPR&R&UYNUNR&NUNR SYNONYMS/TRADE NAMES : * (Bis(phenylazo))methylenetriphenylphosphorane * Triphenylphosphine(bis(phenylazo))methylene *** 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 : 5600 ug/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#00852 *** END OF RECORD ***