Is Chromoxane Cyanin R vegan?

Chromoxane Cyanin R

Vegan

Chromoxane Cyanin R is a synthetic mordant dye of the triphenylmethane family used as a histological stain and metal ion indicator. It is known under several synonyms including Eriochrome Cyanin R, Solochrome Cyanin R, and Mordant Blue 3.

Also known as Alizarol Cyanin R, Eriochrome Cyanin R, Mordant Blue 3, Solochrome Cyanin R
CAS number 3564-18-9
CI number CI 43820
Last reviewed 3 June 2026

Sources

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.