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POTASSIUM BICARBONATE Extra Pure

Confirms to BP
Potassium hydrogen carbonate

COAs

Packings

500 g (00500)

1000 g (01000)

1PW1200400 1PW1201000
Print friendly version
Article No. 05327 Grade Extra Pure
Purity 99.5% CAS No. 298-14-6
Molecular Formula KHCO3 Molecular Weight 100.12
H.S. Code 2836.4000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 8 - 9
Melting point/ Freezing point [°C] 100 - 120°C Density [g/cm3] 2.17
Solubility in water [% weight] Soluble in water

Specifications

Appearance White crystalline powder Assay (acidimetric) 99.5 - 101%
Carbonate The pH of freshly prepared 5% solution is not greater than 8.6 Chloride (Cl) Max 0.015%
Sulphate (SO4) Max 0.01% Arsenic (As) Max 0.0002%
Heavy metal (as Pb) Max 0.0005% Calcium (Ca) Max 0.005%
Iron (Fe) Max 0.001% Copper (Cu) Max 0.0005%
Sodium (Na) Max 0.5% Zinc (Zn) Max 0.0025%
Loss on drying (over silica gel) Max 0.3%
Revision Date: 21-Mar-2024

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