CheckVegan

Is Direct Orange 39 vegan?

Direct Orange 39

Vegan Vegan
Vegetarian Vegetarian

CI 40215 is a synthetic stilbene colorant produced by the condensation of 4,4'-dinitro-2,2'-stilbenedisulfonic acid with 4-[(4-aminophenyl)azo]benzenesulfonic acid. It is a fully synthetic dye used as a colorant.

Also known as 256-783-6, 50814-31-8, Benzenesulfonic acid 2,2'-(1,2-ethenediyl)bis-5-nitro- disodium salt reaction products with 4-[(4-aminophenyl)azo]benzenesulfonic acid sodium salt, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis-5-nitro-, disodium salt, reaction products with 4-[(4-aminophenyl)azo]benzenesulfonic acid, sodium salt
INCI name Direct Orange 39
CAS number 1325-54-8
EC number 215-397-8
CI number CI 40215
CosIng ID 32747
Last reviewed 14 July 2026

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

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