Sodium tungstate dihydrate
Suppliers
Names
[ CAS No. ]:
10213-10-2
[ Name ]:
Sodium tungstate dihydrate
[Synonym ]:
Sodium tungstate dihydrate
Tungsten, diolatodioxo-, sodium salt, hydrate (1:2:2)
disodium,dioxido(dioxo)tungsten,dihydrate
Sodium tungstatedihydrate
MFCD00149190
Sodiumtungstatedihydrate
EINECS 236-743-4
Sodium dioxido(dioxo)tungsten hydrate (2:1:2)
Chemical & Physical Properties
[ Density]:
4.18
[ Melting Point ]:
698 °C(lit.)
[ Molecular Formula ]:
H4Na2O6W
[ Molecular Weight ]:
329.848
[ Exact Mass ]:
329.931213
[ PSA ]:
98.72000
[ Water Solubility ]:
730 g/L (20 ºC)
MSDS
Toxicological Information
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
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
- 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
- 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
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intravenous
- 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)
MUTATION DATA
- TYPE OF TEST :
- Cytogenetic analysis
- TEST SYSTEM :
- Human Lymphocyte
- 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)
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H302
[ Precautionary Statements ]:
P301 + P312 + P330
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xn:Harmful;
[ Risk Phrases ]:
R22;R36/38
[ Safety Phrases ]:
S36-S37/39-S26
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
1
[ RTECS ]:
YO7900000
[ HS Code ]:
28418000
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 28418000
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