← Back

Is Bromothymol Blue vegan?

Bromothymol Blue (BTB) is a synthetic pH indicator dye commonly used to measure substances with near-neutral pH, including the detection of carbonic acid in liquids. It is typically sold as the sodium salt of the acid indicator.

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.