Potassium Carbonate (584-08-7)
Basic Information
Chemical Name: Potassium Carbonate
Chinese Aliases: Anhydrous Potassium Carbonate; Potassium Carbonate Salt
English Name: Potassium Carbonate
Molecular Formula: K₂CO₃
Molecular Weight: 138.21
CAS Number: 584-08-7
EINECS Number: 209-529-3
Appearance: White crystalline powder or granules, hygroscopic
Technical Specifications
Item | Standard
--------|---------
Type I (CRT Grade) | Type II (Pesticide Grade)
Potassium Carbonate (K₂CO₃), w/% ≥ | 99.0 | 99.0
Chlorides (as KCl), w/% ≤ | 0.03 | 0.03
Sulfur Compounds (as K₂SO₄), w/% ≤ | 0.03 | 0.03
Iron (Fe), w/% ≤ | 0.001 | 0.001
Water Insoluble Matter, w/% ≤ | 0.02 | 0.02
Loss on Ignition, w/% ≤ | 0.60 | 0.60
Sodium Salt (as Na), w/% | 0.40 | —
Loose Bulk Density g/cm³ ≤ | — | 0.76
(The above values are for reference; the actual product should be based on the factory inspection report.)
Packaging
The usual packaging is 25kg woven bags, composite kraft paper bags, or bulk bags, with an inner moisture-proof plastic lining. It should be stored in a dry, ventilated place, avoiding moisture and contact with acids.