Article No. 05327
Purity 99.5%
Molecular Formula KHCO3
H.S. Code 2836.4000
Grade Extra Pure
CAS No. 298-14-6
Molecular Weight 100.12
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%