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Inorganic Acids

Phosphorous Acid Crystals

RA003275 CAS 13598-36-2 Extra Pure

Identity

Product code
RA003275
CAS number
13598-36-2
Grade
Extra Pure
Purity
98%
Molecular formula
H3PO3
Molecular weight
82.00

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour Colorless crystals —
Odour Odorless —
pH value 1 —
Melting point/ Freezing point [°C] 73 °C °C
Boiling point [°C] 200 °C °C
Vapour pressure [20°C] Max 1 hPa hPa
Density [g/cm3] 1.651 g/cm3 g/cm3
Solubility in water [% weight] Soluble in water —

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

Specifications

ParameterSpecificationUnit
Appearance Colorless hygroscopic crystals —
Assay Min 98 % %
Assay Max 1 % %
Heavy metal Max 0.002 % %

Packaging

Pack size SKU
500 g RA003275-PK-500G