Chemical Product Library / Reference

Potassium carbonate

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Potassium carbonate

Chemical identity

English namePotassium carbonate
English synonymsPotash;Carbonic acid dipotassium salt;K2CO3
Chinese name碳酸钾
Chinese synonyms钾碱;碳酸钾盐;珠灰
Chemical categoryInorganic Salts
CAS No.584-08-7
EINECS No.209-529-3
Molecular formulaK2CO3
Molecular weight138.21
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

K2CO3 content ≥99.0%; chloride ≤0.01%; sulfate ≤0.01%; iron ≤0.001%; water-insoluble matter ≤0.02%

Performance characteristics

White powder, highly hygroscopic, soluble in water, aqueous solution is strongly alkaline

Application scenarios

Glass manufacturing, soap production, fertilizers, food additive, chemical synthesis