| Bioactivity | Amaranth is a dark red to purple azo dye used as a food dye and to color cosmetics. Amaranth is an anionic dye. It can be applied to natural and synthetic fibers, leather, paper, and phenol-formaldehyde resins. |
| Name | Amaranth |
| CAS | 915-67-3 |
| Formula | C20H11N2Na3O10S3 |
| Molar Mass | 604.47 |
| Appearance | Solid |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, sealed storage, away from moisture and light *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light) |