POTASSIUM DIHYDROGEN CITRATE
Prepared at the 31st JECFA (1987), published in FNP 38 (1988) and in FNP52 (1992). Metals and arsenic specifications revised at the 59th JECFA (2002). Group ADI 'not limited' for citric acid and its salts was established at the 23rd JECFA (1979)
SYNONYMS Monopotassium citrate, potassium citrate monobasic; INS No. 332(i)
DEFINITION
Chemical names Potassium dihydrogen citrate, monopotassium salt of 2-hydroxy-propan-1,2,3-tricarboxylic acid
C.A.S. number 866-83-1
Chemical formula C6H7KO7
Formula weight 230.21
Assay Not less than 99.0% and not more than the equivalent of 101.0% on the dried basis
DESCRIPTION Odourless, transparent crystals or white powder
FUNCTIONAL USESBuffering agent, sequestrant, yeast food
