Potassium carbonate sesquihydrate is used for manufacturing of soaps, pigments, printing ink, glass, pottery, other potassium salts and as an analytical lab reagent. It is also useful as a reagent for removing carbon dioxide from ammonia.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.