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Inorganic Salts

Sodium Tungstate Dihydrate AR/ACS

RA002472 CAS 10213-10-2 AR/ACS

Identity

Product code
RA002472
CAS number
10213-10-2
Grade
AR/ACS
Purity
99%
Molecular formula
Na2WO4.2H2O
Molecular weight
329.86

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White crystalline —
Odour Odorless —
pH value 9 - 11.5 —
Melting point/ Freezing point [°C] 698 °C °C
Density [g/cm3] 4.18 g/cm3 g/cm3
Solubility in water [% weight] 730 g/L g/L

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit
Appearance White Crystalline Powder —
Arsenic (As) Max 0.0005 % %
Assay 99 - 101 % %
Insoluble matter Max 0.01 % %
Free alkali Max 0.02 meq/g meq/g
Chloride (Cl) Max 0.005 % %
Sulphate (SO4) Max 0.01 % %
Total nitrogen (N) Max 0.001 % %
Heavy metals and iron Max 0.001 % %
Molybdenum (Mo) Max 0.001 % %

2 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
100 g RA002472-PK-100G
250 g RA002472-PK-250G
500 g RA002472-PK-500G