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Ingredient · Colorant

Caramel Color IV

Mixed · 4/10, higher is cleaner

E-number E150d

How we reached this

Class IV caramel can form 4-MEI (Methylimidazole), IARC 2B possible carcinogen. California Prop 65 listed.

Sources · 2

Regulatory position

European UnionPermitted with ADI for 4-MEI (E150d)
United StatesPermitted with use-level limits (21 CFR 73.85)
NotesCalifornia Prop 65 listing for 4-Methylimidazole (4-MEI). IARC 2B possible carcinogen. | California Prop 65 listing for 4-Methylimidazole (4-MEI). IARC 2B possible carcinogen.

Also listed as

E150dcaramel color (ammonia sulfite)

Products containing this · 7

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-23.