CheckVegan

Is Gases (petroleum), C2-return stream, if they contain > 0.1% w/w Butadiene vegetarian?

Gases (petroleum), C2-return stream, if they contain > 0.1% w/w Butadiene

Vegetarian Vegetarian
Vegan Vegan

A complex combination of predominantly C2 hydrocarbon gases returned within petroleum steam cracking processes, restricted in cosmetics when butadiene content exceeds 0.1% w/w.

INCI name Gases (petroleum), C2-return stream, if they contain > 0.1% w/w Butadiene
CAS number 68477-84-9
EC number 270-766-0
CosIng ID 28600
Last reviewed 9 July 2026

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

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue