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Sodium Hydrogen Sulphate

Also known as: E514ii, Acid sodium sulphate, Sodium bisulphate, E514

Low concern

Sodium bisulfate is FDA GRAS for use as a pH-control agent. Solid form is acidic and corrosive in concentrated form; in finished foods at use levels it is considered safe.

Found in

11 products

E-number

E514

What it is

Sodium hydrogen sulfate (NaHSO4, sodium bisulfate); E514(ii) is the food additive form.

Acidity regulator and pH adjuster.

Why it's flagged

Concentrated material is corrosive
Sulfate contributes sodium load

What regulators actually say

"Sodium bisulfate (CAS Reg. No. 7681-38-1)... is generally recognized as safe when used as a pH control agent in accordance with current good manufacturing practice."

21 CFR 184.1764 — ecfr.gov

Regulatory status

United States — FDA

GRAS as a food acidulant under 21 CFR 184.1764

European Union — EFSA

E514(ii) authorized food additive in EU

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