| Bioactivity | Ponceau 3R is an azo dye and can be used as a food colorant[1]. |
| Name | Ponceau 3R |
| CAS | 3564-09-8 |
| Formula | C19H16N2Na2O7S2 |
| Molar Mass | 494.45 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| Reference | [1]. Hartman CP, et al. Production of a mutagen from ponceau 3R by a human intestinal anaerobe. Infect Immun. 1979 Mar;23(3):686-9. |