*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ZG3675000
CHEMICAL NAME           : Yttrium(III) nitrate (1:3)
CAS REGISTRY NUMBER     : 10361-93-0
LAST UPDATED            : 199712
DATA ITEMS CITED        : 25
MOLECULAR FORMULA       : N3-O9.Y
MOLECULAR WEIGHT        : 274.94
WISWESSER LINE NOTATION :  YT  N-O3*3
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
                          Reproductive Effector
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * Nitric acid, yttrium(3+) salt
   * Yttrium nitrate
   * Yttrium trinitrate
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/24H
REACTION SEVERITY       : Moderate
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: 12,629,1993
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg
REACTION SEVERITY       : Severe
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: 12,629,1993
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
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: 12,629,1993
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 350 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHOAX Archives of Industrial Hygiene and Occupational Medicine.  (Chicago,
   IL)  V.1-2(3), 1950.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 1,637,1950
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1710 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 - rabbit
DOSE/DURATION           : 515 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
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1300 mg/kg/60W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Blood - leukemia
   Lungs, Thorax, or Respiration - bronchiogenic carcinoma
REFERENCE :
   JONUAI Journal of Nutrition.  (Subscription Dept., 9650 Rockville Pike,
   Bethesda, MD 20014) V.1-    1928-  Volume(issue)/page/year: 101,1431,1971
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intratesticular
SPECIES OBSERVED        : Mammal - domestic
DOSE                    : 5 mg/kg
SEX/DURATION            : male 1 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
   sperm morphology, motility, and count)
   Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
   IJEBA6 Indian Journal of Experimental Biology.  (Publications & Information
   Directorate, CSIR, Hillside Rd., New Delhi 110 012, India)  V.1-    1963-
   Volume(issue)/page/year: 11,143,1973
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Sperm Morphology
ROUTE OF EXPOSURE       : Intratesticular
TEST SYSTEM             : Mammal - domestic
DOSE/DURATION           : 5 mg/kg
REFERENCE :
   IJEBA6 Indian Journal of Experimental Biology.  (Publications & Information
   Directorate, CSIR, Hillside Rd., New Delhi 110 012, India)  V.1-    1963-
   Volume(issue)/page/year: 11,143,1973

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 1 mg(Y)/m3
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

   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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-DENMARK:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-FINLAND:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-FRANCE:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-GERMANY:TWA 5 mg(Y)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 5 ppm (25 mg(Y)/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 1 mg(Y)/m3;STEL 3 mg(Y)/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***