*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : QA5085000
CHEMICAL NAME : Molybdic acid, disodium salt, dihydrate
CAS REGISTRY NUMBER : 10102-40-6
LAST UPDATED : 199712
DATA ITEMS CITED : 31
MOLECULAR FORMULA : Mo-O4.2Na.2H2-O
MOLECULAR WEIGHT : 241.96
WISWESSER LINE NOTATION : .NA..MO-O4 &QH 2
COMPOUND DESCRIPTOR : Reproductive Effector
SYNONYMS/TRADE NAMES :
* Disodium molybdate dihydrate
* Sodium molybdate 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 : 520 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 : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 257 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
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 28 mg/kg/4W-I
TOXIC EFFECTS :
Blood - normocytic anemia
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
Biochemical - Metabolism (Intermediary) - Plasma proteins not involving
coagulation
REFERENCE :
EESADV Ecotoxicology and Environmental Safety. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1977- Volume(issue)/page/year:
26,133,1993
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 401 mg/kg
SEX/DURATION : female 6 week(s) pre-mating
female 1-21 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
NTRSDC Nutrition Research. (Pergamon Press Inc., Maxwell House, Fairview
Park, Elmsford, NY 10523) V.1- 1981- Volume(issue)/page/year: 10,515,1990
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE : 968 gm/kg
SEX/DURATION : female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St.,
Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 33,47,1984
*** REVIEWS ***
ACGIH TLV-TWA 5 mg(Mo)/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 10 mg(Mo)/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:
3,173,1971
OSHA PEL (Gen Indu):8H TWA 15 mg(Mo)/m3, total dust
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1910.1000,1994
OSHA PEL (Gen Indu):8H TWA 5 mg(Mo)/m3
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1910.1000,1994
OSHA PEL (Construc):8H TWA 15 mg(Mo)/m3, total dust
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1926.55,1994
OSHA PEL (Construc):8H TWA 5 mg(Mo)/m3
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1926.55,1994
OSHA PEL (Shipyard):8H TWA 15 mg(Mo)/m3, total dust
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1915.1000,1993
OSHA PEL (Shipyard):8H TWA 5 mg(Mo)/m3
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1915.1000,1993
OSHA PEL (Fed Cont):8H TWA 15 mg(Mo)/m3, total dust
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
41,50-204.50,1994
OSHA PEL (Fed Cont):8H TWA 5 mg(Mo)/m3
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
41,50-204.50,1994
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-AUSTRALIA:TWA 10 mg(Mo)/m3 JAN 1993
OEL-BELGIUM:TWA 10 mg(Mo)/m3 JAN 1993
OEL-DENMARK:TWA 10 mg(Mo)/m3 JAN 1993
OEL-FRANCE:TWA 5 mg(Mo)/m3;STEL 10 mg(Mo)/m3 JAN 1993
OEL-GERMANY:TWA 15 mg(Mo)/m3 JAN 1993
OEL-THE NETHERLANDS:TWA 10 mg(Mo)/m3 JAN 1993
OEL-THE PHILIPPINES:TWA 15 mg(Mo)/m3 JAN 1993
OEL-SWEDEN:TWA 10 mg(Mo)/m3 (total dust) JAN 1993
OEL-SWEDEN:TWA 5 mg(Mo)/m3 (resp. dust) JAN 1993
OEL-SWITZERLAND:TWA 10 mg(Mo)/m3 JAN 1993
OEL-TURKEY:TWA 15 mg(Mo)/m3 JAN 1993
OEL-UNITED KINGDOM:TWA 10 mg(Mo)/m3;STEL 20 mg(Mo)/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 OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X1599
No. of Facilities: 78 (estimated)
No. of Industries: 2
No. of Occupations: 3
No. of Employees: 1490 (estimated)
No. of Female Employees: 1059 (estimated)
*** STATUS IN U.S. ***
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***