CheckVegan

Is Carbon Dioxide vegetarian?

Carbon Dioxide

Vegetarian Vegetarian
Vegan Vegan

Carbon dioxide is an inorganic gas consisting of one carbon atom covalently bonded to two oxygen atoms. It is used as a propellant, preservative, and carbonating agent in food and cosmetic products.

Also known as carbonei dioxidum, Carbonic anhydride, CO2, Dry ice (solid form)
INCI name Carbon Dioxide
E number E290
INS number 290
CAS number 124-38-9
EC number 204-696-9
CosIng ID 32439
Last reviewed 22 April 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