CheckVegan

Is Isobutyl Nitrite vegetarian?

Isobutyl Nitrite

Vegetarian Vegetarian
Vegan Vegan

Isobutyl nitrite is a synthetic alkyl nitrite ester made from isobutanol and nitrous acid, used industrially and historically as a recreational inhalant.

INCI name Isobutyl Nitrite
CAS number 542-56-3
EC number 208-819-7
CosIng ID 30164
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