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Inorganic Salts

Potassium Chromate Extra Pure

RA002116 CAS 7789-00-6 Extra Pure

Identity

Product code
RA002116
CAS number
7789-00-6
Grade
Extra Pure
Purity
99%
Molecular formula
K2CrO4
Molecular weight
194.19

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour Yellow —
Odour Odorless —
pH value 8.5 - 10 —
Melting point/ Freezing point [°C] 971 °C °C
Boiling point [°C] 1000 °C °C
Vapour density 6.7 —
Density [g/cm3] 2.73 g/cm3 g/cm3

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

Specifications

ParameterSpecificationUnit
Appearance Lemon yellow crystalline powder —
Assay (oxidimetric) Min 99 % %
Chloride (Cl) Max 0.005 % %
Sulphate (SO4) Max 0.05 % %
Sodium (Na) Max 0.5 % %
Calcium (Ca) Max 0.05 % %
Loss on drying (105 °C) Max 0.5 % %
pH 8.6 - 9.8 —

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

Packaging

Pack size SKU
500 g RA002116-PK-500G