Is Basic Blue 6 vegan?
Basic Blue 6
Meldola Blue is a synthetic oxazine dye named after the British chemist Raphael Meldola. It is used as a biological stain in histology and as a redox mediator in electrochemical biosensors. It is also known as Phenylene Blue and Basic Blue 6.
| Also known as | 9-(dimethylamino)benzo[a]phenoxazin-7-ium chloride (CI 51175), Basic Blue 6, Meldola Blue, Phenylene Blue |
|---|---|
| INCI name | Basic Blue 6 |
| CAS number | 966-62-1 |
| EC number | 213-524-1 |
| CI number | CI 51175 |
| CosIng ID | 32066 |
| Last reviewed | 3 June 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.
