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Is Green S vegan?

Green S

Vegan

Green S (E142, CI 44090) is a synthetic green azo dye used as a food colourant and in cosmetic formulations to provide a bright green colour.

Also known as Acid Green 50, CI44090, Food green 4, Food Green S, Lissamine Green B
E number E142
CAS number 3087-16-9
EC number 221-409-2
CI number CI 44090
Last reviewed 22 April 2026

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