*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YO7900000
CHEMICAL NAME           : Tungstic acid, sodium salt, dihydrate
CAS REGISTRY NUMBER     : 10213-10-2
LAST UPDATED            : 199712
DATA ITEMS CITED        : 21
MOLECULAR FORMULA       : O4-W.2Na.2H2-O
MOLECULAR WEIGHT        : 329.87
WISWESSER LINE NOTATION : .NA2.W-O4 QH2
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Sodium tungstate, dihydrate
 
                       *** 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           : 204 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - coma
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 154,243,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 251 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AJMSA9 American Journal of the Medical Sciences.  (Slack Inc., 6900 Grove
   Rd., Thorofare, NJ 08086) New series: V.1-    1841- Volume(issue)/page/year:
   199,668,1940
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 145 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - coma
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 154,243,1965
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 330 gm/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   ENVRAL Environmental Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-    1967-  Volume(issue)/page/year: 33,47,1984
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Phage inhibition capacity
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 412 ug/well
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 260,349,1991
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 10 mg/L
REFERENCE :
   CYGEDX Cytology and Genetics (English Translation).  Translation of TGANAK.
   (Allerton Press Inc., 150 Fifth Ave., New York, NY 10011)  V.8-    1974-
   Volume(issue)/page/year: 12(3),46,1978

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 5 mg(W)/m3; STEL 10 mg(W)/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

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 5 mg(W)/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:
   3,272,1971

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
   
   OEL-DENMARK:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-FINLAND:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 1 mg(W)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO TUNGSTEN, soluble-air:10H TWA 1 mg(W)/m3;STEL 3 mg/m3
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X2632
       No. of Facilities: 186 (estimated)
       No. of Industries: 2
       No. of Occupations: 4
       No. of Employees: 2254 (estimated)
       No. of Female Employees: 1653 (estimated)

 
                            *** END OF RECORD ***