What is E102?

Tartrazine is a synthetic lemon yellow azo dye primarily used as a food coloring. It is also known as E number E102, C.I. E102 sits in the E100–E199 series, which in the EU classification mainly covers colours.

What is E102 used for?

E102 belongs to the colours group. Colours are added to give or restore colour to food. Some are natural, like curcumin from turmeric; some synthetic dyes are debated and require warning labels in the EU.

Is E102 safe?

E102 is rated “moderate”. It is approved for use in food, but some people prefer to limit it. Banned in some countries. “Moderate” means it is approved, but is debated or something some people prefer to limit.

How E102 appears on labels

On food packaging you'll find E102 either as the number “E102” or by the name “Tartrazine” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E102 vegan?

Yes, E102 is suitable for vegans.