CheckVegan

Is Dichlorodifluoromethane vegetarian?

Dichlorodifluoromethane

Vegetarian Vegetarian
Vegan Vegan

Dichlorodifluoromethane is a synthetic chlorofluorocarbon (CFC) formerly used as a propellant gas in food packaging, now largely phased out due to ozone depletion concerns.

Also known as CFC-12, Freon 12, R-12
E number E940
INS number 940
CAS number 75-71-8
EC number 200-893-9
Last reviewed 11 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