Tripotassium Citrate CAS 866-84-2; 7778-49-6, Potassium Citrate

2026-03-27 10:24:45

Tripotassium citrate

Chinese name Tripotassium citrate
English name tripotassium citrate anhydrous
Chinese alias Tripotassium 2-hydroxy-1,2,3-malontricarboxylate; potassium citrate; anhydrous potassium citrate; anhydrous tripotassium citrate; potassium citrate
RN CASE 866-84-2;7778-49-6
EINECS number 212-755-5;231-905-0
molecular formula C6H5K3O7
molecular weight 306.392
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physicochemical properties

Density 1.187
溶解度 H2O: 1 M at 20 °C, clear, colorless
Melting point 230 ° C 

purpose Commonly used as an analytical reagent and also in the pharmaceutical industry; used in food, medicine and other industries as a buffer, chelating agent, flavoring agent, stabilizer, antioxidant, emulsion salt, etc

upstream raw material Citric acid, potassium hydroxide, potassium carbonate
downstream products
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