Potassium Carbonate

Synonym(s)

: Dipotassium carbonate, anhydrous potassium carbonate

Mol. Formula

: K2CO3

EC / List no.

: 209-529-3

CAS no.

: 584-08-7

Molecular weight

: 138,205

Potassium carbonate (K2CO3) is a white salt that is soluble in water (insoluble in ethanol) and forms a strong alkaline solution. It can be made as the product of the absorbent reaction of potassium hydroxide with carbon dioxide. It offers a large capacity to absorb moisture.

Application

» This substance is used in the following products: antifreeze products and coating products.
» Used in machine wash fluids/detergents, automotive care products, paints and coatings or adhesives, fragrances and air fresheners, coolants in refrigerators, oil-based electric heaters, hydraulic fluids in automotive suspension, lubricants in engine oil and brake fluids.

Product Specifications

Physical and Chemical Properties
» Potassium carbonate appears as white granules or granular powder.
» It is odorless and has an alkaline taste.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	891
Density	g/cm³	2.43	20 °C
Solubility	g/ L	900	20 °C, soluble with water
pKa		10.33	20 °C
pH		11.6