Potassium Carbonate Anhydrous

Name: Potassium Carbonate Anhydrous
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Categories: Food & Nutraceutical, Pharmaceuticals

CAS 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 (A) Reaction (B) Reaction (C) 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 %

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Description

Potassium carbonate can be used for deproteinization. Mild drying agent where other drying agents such as calcium chloride and magnesium sulfate may be incompatible. Not suitable for acidic compounds, but can be useful for drying an organic phase if one has a small amount of acidic impurity. Potassium carbonate is also used in the synthesis of well-defined phosphate-methylated DNA fragments: It is shown that base deprotection can be accomplished in potassium carbonate/methanol without affecting the methyl phosphotriesters