E336IUnder monitoring
Monopotassium tartrate
Function: Food Additive
E336I is the European food-additive number for Monopotassium tartrate. POTASSIUM BITARTRATE, also known as potassium hydrogen tartrate, with formula KC4H5O6, is a byproduct of winemaking.
Is E336I safe or restricted?
E336I 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.
Frequently asked questions about E336I
- What is E336I?
- E336I is the E-number for Monopotassium tartrate. POTASSIUM BITARTRATE, also known as potassium hydrogen tartrate, with formula KC4H5O6, is a byproduct of winemaking.
- Is E336I vegan or vegetarian?
- It depends on the source. Many additives can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which was used. The Forkin app shows the verified vegan and vegetarian status per product where it's known, instead of a blanket guess.
- Is E336I safe, and is it banned anywhere?
- E336I 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 E336I — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.