*** 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 ***