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Inorganic Acids

Phosphotungstic Acid Hydrate AR

RA002070 CAS 12501-23-4 AR

Identity

Product code
RA002070
CAS number
12501-23-4
Grade
AR
Molecular formula
H3[P(W3O10)4]xH2O
Molecular weight
2880.17

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White to yellowish —
Odour Odorless —
Melting point/ Freezing point [°C] 95 °C °C

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

Specifications

ParameterSpecificationUnit
Appearance White to yellow to beige to grey powder or crystals —
Loss on ignition (750 °C) Max 17 % %
Chloride (Cl) Max 0.005 % %
Sulphate (SO4) Max 0.01 % %
Total nitrogen (N) Max 0.002 % %
Lead (Pb) Max 0.002 % %
Iron (Fe) Max 0.002 % %
Potassium (K) Max 0.02 % %
Copper (Cu) Max 0.001 % %
Sodium (Na) Max 0.02 % %

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
25 g RA002070-PK-25G
100 g RA002070-PK-100G