| Description | C.I. 13900 is a dye that is a yellow powder. It is brown in concentrated sulfuric acid and bright brown when diluted. It is used for the dyeing of wool, silk, nylon and leather, as well as for the direct printing of trims on wool and silk fabrics. |
| molecular weight | 511.34 |
| Molecular formula | C16H12CrN4NaO9S |
| CAS | 10343-58-5 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| Solubility | DMSO: Soluble |