Forkin
E536Under monitoringIn 173 productsTypically vegan

Potassium ferrocyanide

Function: Food Additive

E536 is the European food-additive number for Potassium ferrocyanide. Potassium ferrocyanide (E536) is a food additive used as a food additive.

Is E536 safe or restricted?

E536 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as Under monitoring and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.

Is E536 vegan or vegetarian?

Potassium ferrocyanide (E536) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.

The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.

Which foods contain E536?

E536 appears in 173 of the 4.7 million products in Forkin's catalogue — most often in salt, potato chips and sausages.

  • Salt66
  • Potato Chips4
  • Sausages3
  • Pastry3
  • Whole Turkey2
  • Hummus2
  • Cream Cheese2
  • Instant Noodles2

Often appears alongside

Additives most frequently found in the same ingredient lists as E536 across the catalogue.

Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.

Frequently asked questions about E536

What is E536?
E536 is the E-number for Potassium ferrocyanide. Potassium ferrocyanide (E536) is a food additive used as a food additive.
Which foods contain E536?
E536 appears in 173 of the 4.7 million products in Forkin's catalogue — most often in salt, potato chips and sausages. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
Is E536 vegan or vegetarian?
Potassium ferrocyanide (E536) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
Is E536 safe, and is it banned anywhere?
E536 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as "Under monitoring" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.

See the full profile in Forkin

The Forkin app surfaces the full regulatory profile of E536 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.

Related additives (Food Additive)

Regulatory-level classification based on EFSA re-evaluations and exposure assessments, IARC monograph groupings, the EU food additive register (Regulation (EC) No 1333/2008) and mandatory warning labels, ECHA harmonised CLP classifications, FAO/WHO JECFA acceptable-daily-intake reviews, and national measures (US FDA, Health Canada, California OEHHA Proposition 65). Informational only — not medical or dietary advice. See methodology for the rubric.