TRIPOTASSIUM CITRATE
Prepared at the 19th JECFA (1975), published in NMRS 55B (1976) and in FNP 52 (1992). Metals and arsenic specifications revised at the 59th JECFA (2002). An ADI not limited' was established at the 17th JECFA (1973)
SYNONYMS Potassium citrate; INS No. 332(ii)
DEFINITION
Chemical names Tripotassium citrate, tripotassium salt of 2-hydroxy-1,2,3- propanetricarboxylic acid, tripotassium salt of ß-hydroxy-tricarballylic acid
C.A.S. number 866-84-2
Structural formula C6H5K3O7 · H2O
Formula weight 324.42
Assay Not less than 99.0% after drying
DESCRIPTION Deliquescent, odourless, transparent crystals or white, granular powder
FUNCTIONAL USESSequestrant, stabilizer, buffer