Product Name

: POTASSIUM CARBONATE ANHYDROUS

C.A.S. No.

: 584-08-7

Molecular Formula

: K₂CO₃

Molecular Weight

: 138.21 g/mol

SPECIFICATION

BP

USP

Description

White or almost white granular Powder hygroscopic.

White or almost white granular Powder hygroscopic.

Solubility

Freely Soluble in water, practically insoluble in Ethanol (96%)

-

Identification

• Reaction
• Reaction
• Reaction

• A : The solution is strongly alkaline
• B: Test A gives the reaction of Carbonates & Bicarbonates.
• C: Test A gives reaction of Potassium.

• A: Test A gives the reaction of Carbonates.
• B: Test A gives reaction of Potassium.

Insoluble substances

-

The solution is complete, clear & Colorless.

Heavy metals

NMT 5 ppm

Calcium

NMT 100 ppm

-

Iron

NMT 10 ppm

-

Chlorides

NMT 100 ppm

-

Loss on Drying

NMT 5.0 %

NMT 0.5 %

Sulphates

NMT 100 ppm

-

Organic Volatile Impurities

-

Meets the requirement

Residual Solvents

-

Meets the requirement

Assay

99.0 % - 101 % (on dry basis)

99.5 % - 100.5 %