*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KD9050000
CHEMICAL NAME           : Erbium(III) nitrate (1:3)
CAS REGISTRY NUMBER     : 10168-80-6
LAST UPDATED            : 199701
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : N3-O9.Er
MOLECULAR WEIGHT        : 353.29
WISWESSER LINE NOTATION :  ER  N-O3*3
SYNONYMS/TRADE NAMES :
   * Nitric acid, erbium(3+) salt
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 177 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 27460 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975

                              *** REVIEWS ***
 
   TOXICOLOGY REVIEW
   JPMSAE Journal of Pharmaceutical Sciences.  (American Pharmaceutical Assoc.,
   2215 Constitution Ave., NW, Washington, DC 20037)  V.50-    1961-
   Volume(issue)/page/year: 54,663,1965

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X4637
       No. of Facilities: 7 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 35 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***