POTASSIUM ACETATE
Prepared at the 18th JECFA (1974), published in NMRS 54B (1975) and in FNP 52 (1992). Metals and arsenic specifications revised at the 63rd
JECFA (2004). A group ADI 'Not limited' for acetic acid and its K & Na salts was established at the 17th JECFA (1973).
SYNONYMS INS No. 261
DEFINITION
Chemical names Potassium acetate
C.A.S. number 127-08-2
Chemical formula C2H3KO2
Structural formula CH3-COOK
Formula weight 98.14
Assay Not less than 99.0% after drying
DESCRIPTION Colourless, deliquescent crystals or a white, crystalline powder, odourless or with a faint acetic odour
FUNCTIONAL USES Buffer, antimicrobial preservative
