Potassium Carbonate Sesquihydrate

Food Processing: Functions as a reliable leavening agent and is essential for the alkalization of cocoa powders to improve flavor and color profiles.
Glass and Ceramics: Acts as a vital fluxing agent , lowering melting points during production while improving the chemical durability and clarity of glass products.
Detergent Formulations: Serves as an effective builder in liquid soaps and detergents, softening water to significantly boost the efficiency of active surfactants.

Potash Sesquihydrate, Dipotassium Carbonate Sesquihydrate, K2CO3·1.5H2O.

CAS: 6381-79-9
EC: 209-529-3
Sectors: Food & Nutrition, Home Care & Industrial Cleaning

Potassium Carbonate Sesquihydrate (CAS 6381-79-9) is a high-purity alkaline salt of the carbonate family, appearing as a white crystalline powder that is strongly deliquescent and valued for its buffering and pH-regulating performance in food processing, chemical manufacturing and heavy-duty cleaning formulations. Supplied in Food Grade and Technical Grade, it acts as a crucial pH regulator and processing aid, enhancing texture and consistency in various chemical manufacturing workflows.

This white crystalline solid provides superior handling stability and is ideal for producing concentrated brine solutions and heavy-duty industrial cleaning formulations.

Typical Properties

Molecular formula	CH₂O₃.3/2H₂O.2K
Molecular weight	156.22 g/mol
Appearance	white crystalline powder
Form	Solid
Color	White
Melting point	891 °C
Density	2.043
Water solubility	Soluble in water. Practically insoluble in alcohol
GHS signal word	Warning · Irritant / harmful
HS code	28364000
Grades available	Food Grade, Technical Grade

Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.

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