| Description | C.I. 18760 is a dye in the form of a bluish red powder. Its aqueous solution is yellowish to brownish red, turning reddish orange with dilute sulphuric acid; with concentrated caustic soda it turns brilliant red. In concentrated sulfuric acid is rose red, diluted to orange; in concentrated nitric acid the color disappears. It is used for dyeing and printing of wool, silk and its fabrics, also can dye nylon and its blended fabrics. |
| Synonyms | NSC47717, NSC 47717, NSC-47717 |
| molecular weight | 447.42 |
| Molecular formula | C20H16N4NaO5S |
| CAS | 3618-63-1 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| Solubility | DMSO: Soluble |