| Description | D131 is an orange indoline organic dye with an absorption maximum in solution at λ=425 nm [1] [2]. |
| molecular weight | 508.61 |
| Molecular formula | C35H28N2O2 |
| CAS | 652145-29-4 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |