E-code guide
E538Calcium Ferrocyanide
HalalAnticaking agent
E538

Calcium Ferrocyanide

Anti-caking agent

SANHA classifies this as halal.
Based on 1 cited authority. Confidence: medium.

What authorities say

1 authority on record
1says Halal
Saying Halal1 of 1

Why this verdict

E538 is calcium ferrocyanide, an anti-caking agent used in salt. SANHA classifies E538 as Halaal. SANHA is the only authority in the source corpus to publish a position on this additive. It is produced synthetically.

Common questions

Is E538 halal?

Calcium Ferrocyanide (E538) is classified halal. SANHA classifies it as halal.

What is E538 made from?

Calcium Ferrocyanide (E538) is a mineral.

Only SANHA has a published position on this additive. The verdict is provisional until more authorities weigh in.
Last reviewed by the HalalHQ research team in May 2026.