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Merck
CN

28-4640

Sodium tungstate dihydrate

JIS special grade, 99.0-100.5

Synonym(s):

Tungstic acid sodium salt dihydrate

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About This Item

Linear Formula:
Na2WO4 · 2H2O
CAS Number:
10213-10-2
Molecular Weight:
329.85
UNSPSC Code:
12352302
PubChem Substance ID:
329753203
EC Number:
236-743-4
MDL number:
MFCD00149190
Assay:
99.0-100.5
Grade:
JIS special grade
Form:
crystals

Key Documents

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InChI key

WPZFLQRLSGVIAA-UHFFFAOYSA-N

InChI

1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;

SMILES string

O.O.[Na+].[Na+].[O-][W]([O-])(=O)=O

grade

JIS special grade

assay

99.0-100.5

form

crystals

reaction suitability

reagent type: catalyst
core: tungsten

availability

available only in Japan

pH

9.0-11.5 (20 °C, 100 g/L)

mp

698 °C (lit.)

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Related Categories

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
U1550
U1530
U9347
U7245
U2180

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Marta Amigó-Correig et al.
PloS one, 7(7), e39087-e39087 (2012-07-18)
This study aims at exploring the effects of sodium tungstate treatment on hypothalamic plasticity, which is known to have an important role in the control of energy metabolism. Adult lean and high-fat diet-induced obese mice were orally treated with sodium
José Angel Martín Rodriguez et al.
Journal of plant physiology, 167(8), 606-613 (2010-01-19)
We examined whether the reduced mycorrhization of abscisic acid (ABA)-deficient tomato mutants correlates with their incapacity in ABA biosynthesis and whether this effect is dependent on ethylene production. The mycorrhization of notabilis and sitiens mutants, which have different ABA deficiencies
S M McInturf et al.
Toxicology and applied pharmacology, 254(2), 133-137 (2011-02-08)
The debate on tungsten (W) is fostered by its continuous usage in military munitions. Reports demonstrate W solubilizes in soil and can migrate into drinking water supplies and, therefore, is a potential health risk to humans. This study evaluated the
M Amigó-Correig et al.
Diabetes, obesity & metabolism, 13(3), 235-242 (2011-01-06)
Sodium tungstate is an anti-obesity drug targeting peripheral tissues. In vivo, sodium tungstate reduces body weight gain and food intake through increasing energy expenditure and lipid oxidation, but it also modulates hypothalamic gene expression when orally administered, raising the possibility
Gustavo S Guandalini et al.
Chemical research in toxicology, 24(4), 488-493 (2011-03-08)
Heavy metal tungsten alloys have replaced lead and depleted uranium in many munitions applications, due to public perception of these elements as environmentally unsafe. Tungsten materials left in the environment may become bioaccessible as tungstate, which might lead to population
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