Name: Dipotassium hydrogen phosphate
Other name: dipotassium phosphate
Chemical formula: K2HPO4
Molecular weight: 174.18
CAS Registry Number: 7758-11-4
EINECS accession number: 231-334-5
Density: 2.44g/mL
Properties: white crystal or amorphous powder.
Melting point (ºC): 340.
Solubility (mg/mL): easily soluble in water, the aqueous solution is slightly alkaline. Slightly soluble in alcohol.
Applications
1. It is mainly used in the medicine (cultivating agent of penicillin and streptomycin) industry, and also used as iron removing agent and pH regulator of talc powder.
2. Used as water quality treatment agent, microorganism and fungus culture agent.
3. In the food industry, it is used as the raw material of the alkaline water for preparing pasta products, fermentation agent, flavoring agent, leavening agent, mild alkaline agent for dairy products, yeast food, and sometimes it is added to milk tea powder. It can also be used as a feed additive.
4. Used as a buffer in chemical analysis, in phosphating treatment of metals, and as an electroplating additive.
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