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Additives

Calcium Ferrocyanide (E538): What It Is and Is It Safe?

Safe Anti-Caking Agent

Calcium salt of ferrocyanic acid. Used as an anti-caking agent in salt. Same safety profile as other ferrocyanides — the cyanide is bound and not bioavailable at food use levels.

Category
Anti-Caking Agent
Typically used in
Table salt
Regulatory status
Approved EU/USA/UK

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