Caramel IV
ColorantsCAS: 8028-89-5
This is what the ingredient is.
Caramel IV (sulfite ammonia caramel, E150d) is made with both ammonia and sulfites, used in soft drinks.
Here is why it shows up on the label.
Most common caramel in soft drinks like cola. Provides stable dark brown color.
Here is what food agencies say.
The FDA has approved it. European food agencies allow it (E150d) with ADI. Most widely used caramel color.
Here is what research has found.
Contains 4-MEI. Some manufacturers have reduced 4-MEI levels. EFSA maintains safety at current use levels.
Here are a few things worth knowing.
Contains 4-MEI. Major cola companies have reformulated to reduce 4-MEI in response to California Prop 65.
Sources
- FDA CFR 21
- EFSA Panel on Food Additives
- Consumer Reports Investigation
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.
v1.0Updated 9/12/2026