*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : JW1060000 CHEMICAL NAME : Dysprosium oxide CAS REGISTRY NUMBER : 1308-87-8 LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : Dy2-O3 MOLECULAR WEIGHT : 373.00 SYNONYMS/TRADE NAMES : * Didysprosium trioxide * Dyprosium sesquioxide * Dysprosia * Dysprosium(III) oxide * Dysprosium(3+) oxide * Dysprosium sesquioxide * Dysprosium trioxide *** 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 : >5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 12,618,1993 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***