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E 536Acidity Regulators & Anti-caking Agents

Potassium ferrocyanide

Characteristics

Additive NamePotassium ferrocyanide
E No.E 536
TypeIndividual Substance
In plain language

An anti-caking agent used exclusively in salt to prevent clumping. Despite the intimidating name containing "cyanide," it is a stable iron-cyanide complex that does not release toxic free cyanide under normal food conditions. Approved by EFSA and used at very low levels — typically 20 mg/kg maximum in table salt.

Source

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E 536 - Potassium ferrocyanide | E-Number Information