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Is Hydrocarbons, C4, 1,3-butadiene- and isobutene-free vegetarian?

Hydrocarbons, C4, 1,3-butadiene- and isobutene-free

Vegetarian Vegetarian
Vegan Vegan

A petroleum-derived C4 hydrocarbon mixture specified as free of 1,3-butadiene and isobutene, regulated when containing more than 0.1% w/w butadiene as an impurity. It is a mineral/petrochemical substance not of animal or plant origin.

INCI name Hydrocarbons, C4, 1,3-butadiene- and isobutene-free
CAS number 5603-27-0
EC number 306-004-1
CosIng ID 29008
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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