TRISODIUM 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 Sodium citrate; INS No. 331(iii)
DEFINITION
Chemical names Trisodium citrate, trisodium salt of 2-hydroxy-1,2,3- propanetricarboxylic acid, trisodium salt of ß-hydroxy-tricarballylic acid
C.A.S. number 68-04-2
Chemical formula Anhydrous: C6H5Na3O7Hydrated: C6H5Na3O7 · xH2O
Formula weight 258.07 (anhydrous)
Assay Not less than 99.0% calculated on the dried basis
DESCRIPTION Colourless, odourless crystals, or white, crystalline powder; hydrated forms available include the dihydrate and the pentahemihydrate
FUNCTIONAL USESBuffer, sequestrant, emulsion stabilizer