Sodium tungstate dihydrate

Modify Date: 2025-08-25 10:20:12

Sodium tungstate dihydrate structure	Common Name	Sodium tungstate dihydrate
	CAS Number	10213-10-2	Molecular Weight	329.848
	Density	4.18	Boiling Point	N/A
	Molecular Formula	H₄Na₂O₆W	Melting Point	698 °C(lit.)
	MSDS	Chinese USA	Flash Point	N/A
	Symbol	GHS07	Signal Word	Warning

Name	sodium tungstate dihydrate
Synonym	More Synonyms

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)

Sodium tungstate dihydrate MSDS(Chinese)

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)

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 0
DownStream 9
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HS Code	28418000

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China
Product Name: Sodium tungstate dihydrate
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China
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China
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China
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Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Sodium tungstate dihydrate
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
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Sodium tungstate dihydrate

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Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

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