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- Potassium Carbonate, food grade
Catalog | DS584087 |
CAS | 584-08-7 |
Structure | ![]() |
Synonyms | Dipotassium Carbonate; Potassium Carbonate, Anhydrous; Carbonic Acid, Dipotassium Salt |
IUPAC Name | Dipotassium;carbonate |
Molecular Weight | 138.205 |
Molecular Formula | CK2O3 |
InChI | InChI=1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 |
InChI Key | BWHMMNNQKKPAPP-UHFFFAOYSA-L |
Melting Point | 891 °C |
Solubility | Soluble in water. Insoluble in alcohol. |
Appearance | Yellow powder |
Storage | Store in a tightly sealed container |
Assay | 99.0%-100.5% |
EC Number | 209-529-3 |
Isomeric SMILES | C(=O)([O-])[O-].[K+].[K+] |
Lead | 2 ppm maximum |
Packaging | 2.5/12/45 kg |
Standard | FCC, USP |
What is Potassium Carbonate used for?
Potassium carbonate is a versatile compound utilized in several applications. It serves as a drying agent in pharmaceutical laboratories and acts as a potassium source. Additionally, it's employed in manufacturing soap and glass, used in fire extinguishers, and serves to soften water. Potassium carbonate is also a component in effervescent tablets intended to supplement potassium levels in the body under certain conditions. Effervescent tablets and powders are available to provide potassium when there are low levels of potassium in the blood due to inadequate diet, nausea and vomiting, diarrhea or use of certain medications such as corticosteroids or diuretics. They dissolve quickly, are stable, convenient and easy to carry.
Is Potassium Carbonate safe for use?
Yes, potassium carbonate is considered safe when used at normal levels. It is on the FDA's generally recognized as safe (GRAS) list, with no evidence suggesting a public hazard when used appropriately. This assessment extends to various carbonate salts, including potassium carbonate.
How is Potassium Carbonate made?
Potassium carbonate can be produced through the reaction of potassium hydroxide with carbon dioxide. This process results in a white salt that is highly soluble in water and known for forming a strongly alkaline solution. Potassium carbonate also has a high capacity for absorbing moisture.
In what forms is Potassium Carbonate available?
Potassium carbonate is typically available as a white powder or colorless solid crystals. It can be used directly in its solid form for various industrial and laboratory applications.
Can Potassium Carbonate be mixed with ethanol?
No, potassium carbonate is insoluble in ethanol. It is dissolved in water, where it forms a strongly alkaline solution.
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