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Sodium Diacetate

Also known as: E262ii, E262

Low concern

Sodium diacetate is FDA GRAS under 21 CFR 184.1754. JECFA confirmed no ADI limit needed; EFSA found no safety concerns at typical intake.

Found in

11,444 products

E-number

E262

Type

preservative, sequestrant

What it is

Sodium diacetate, a 1:1 molecular complex of sodium acetate and acetic acid.

Antimicrobial preservative, acidity regulator, flavoring (vinegar taste).

Why it's flagged

Contributes to dietary sodium
Acidic — possible mild irritation in sensitive stomachs at very high doses

What regulators actually say

"Sodium diacetate (CH3COONa·CH3COOH·xH2O, CAS Reg. No. 126-96-5)... is generally recognized as safe (GRAS) when used in food at levels not to exceed current good manufacturing practice."

21 CFR 184.1754 - Sodium diacetate (eCFR) — ecfr.gov

Regulatory status

United States — FDA

GRAS under 21 CFR 184.1754

European Union — EFSA

Authorized as E262(ii); ADI not specified

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