Specifications of Sodium Diacetate FCC Food Grade:
Sodium Hydrogen Diacetate
CH3COONa-CH3COOH-xH2O
C4H7NaO4-xH2O Formula weight, anhydrous 142.09
INS: 262 CAS: 126-96-5

DESCRIPTION
Sodium Diacetate occurs as a white, hygroscopic, crystalline solid. It is a molecular compound of sodium acetate and acetic acid. One gram is soluble in about 1 mL of water. The pH of a 1:10 aqueous solution is between 4.5 and 5.0.
Function: Sequestrant; preservative; antimicrobial agent; mold inhibitor.

REQUIREMENTS
Identification: A 1:10 aqueous solution gives positive tests for Acetate and for Sodium.
Assay: Not less than 39.0% and not more than 41.0% of free acetic acid (CH3COOH), and not less than 58.0% and not more than 60.0% of sodium acetate (CH3COONa), calculated on the anhydrous basis.
Lead: Not more than 2 mg/kg.
Readily Oxidizable Substances (as formic acid): Not more than 0.2%.
Water: Not more than 2.0%.