*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ3270000 CHEMICAL NAME : Phosphine, tributyl- CAS REGISTRY NUMBER : 998-40-3 BEILSTEIN REFERENCE NO. : 1738261 REFERENCE : 4-16-00-01699 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C12-H27-P MOLECULAR WEIGHT : 202.36 SYNONYMS/TRADE NAMES : * Tributylfosfin * Tributylphosphine * Tri-n-butylphosphine *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 750 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,600,1969 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,600,1969 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***