SODIUM ACETATE
Prepared at the 18th JECFA (1974), published in NMRS 54B (1975) 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 INS No. 262(i)
DEFINITION
Chemical names Sodium acetate
C.A.S. number 127-09-3
Chemical formula C2H3NaO2 · nH2O (n = 0 or 3)
Structural formula CH3COONa · nH2O (n = 0 or 3)
Formula weight Anhydrous: 82.03
Trihydrate: 136.08
Assay Not less than 98.5% after drying
DESCRIPTION Anhydrous: White, odourless, granular, hygroscopic powder Trihydrate: Colourless, transparent crystals or a granular crystalline powder, odourless or with a faint, acetic odour. Effloresces in warm, dry air.
FUNCTIONAL USES Buffer
