Is Gases (petroleum), C3-4 vegan?

A complex combination of hydrocarbons predominantly having three to four carbon atoms, obtained as a petroleum gas stream; restricted when it contains more than 0.1% w/w butadiene. Note: the CAS number provided corresponds to naphthalene, not this gas stream, and should be verified.

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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