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Inorganic Salts

Potassium Chloride Extra Pure

RA002113 CAS 7447-40-7 Extra Pure

Identity

Product code
RA002113
CAS number
7447-40-7
Grade
Extra Pure
Purity
99%
Molecular formula
KCl
Molecular weight
74.56

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White crystalline —
Odour Odorless —
pH value 7 —
Melting point/ Freezing point [°C] 770 °C °C
Boiling point [°C] 1500 °C °C
Density [g/cm3] 1.98 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 Method
Appearance White crystalline powder — —
Barium (as per IP, BP) Passes test — —
Magnesium and alkali earth metals Max 0.02 % % —
Calcium & magnesium Passes test — —
Iron (Fe) Max 0.002 % % —
Arsenic (As) Max 0.0001 % % —
Loss on drying (130 °C) Max 1.0 % % —
Assay 99 - 100.5 % % argentometric
Identification Passes test — —
Appearance of solution Passes test — —
Acidity or alkalinity Passes test — —
Bromide (Br) Max 0.1 % % —
Iodide (I) (as per pharma) Passes test — —
Sulphate (SO4) Max 0.03 % % —
Heavy metal Max 0.001 % % —

6 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 kg RA002113-PK-25KG
500 g RA002113-PK-500G
50 kg RA002113-PK-50KG
5 kg RA002113-PK-5KG