E531
What is E531?
E531 is the European Community number for sodium ferrocyanide. It is an inorganic salt produced industrially. It is a yellow crystalline solid.
Is E531 vegan?
E531 is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is E531 gluten-free?
It does not contain gluten.
Is E531 a major allergen?
Sodium ferrocyanide is not one of the 14 major allergens that UK law requires to be emphasised on food labels.
What is E531 used for?
Sodium ferrocyanide is used as an anti-caking agent, most commonly in table salt and other powdered foods.
Is E531 safe?
Sodium ferrocyanide is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations.
Why it's used
Sodium ferrocyanide is used as an anti-caking agent, most commonly in table salt and other powdered foods. It prevents the fine particles from clumping together, ensuring a free-flowing product. It is also used in some food processing applications.
Health notes
Sodium ferrocyanide is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations. European food safety authorities, including EFSA, have evaluated its safety. JECFA has also evaluated it and set an acceptable daily intake. At typical levels of use in food, it is not considered to pose a health risk.
Allergen info
Sodium ferrocyanide is not one of the 14 major allergens that UK law requires to be emphasised on food labels. It does not contain gluten.
Foods that contain E531
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