Is Bromocresol Green vegan?

Bromocresol Green

Vegan

Bromocresol Green (BCG) is a synthetic pH indicator dye belonging to the triphenylmethane and sulfonephthalein families, used in microbiological growth media, titrations, and thin-layer chromatography. It is widely employed in clinical diagnostics to measure serum albumin concentration in blood samples.

Also known as BCG
CAS number 76-60-8
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.