IndicatorAnalytically pureBiological stainLarge package of inorganic...Indicator for faded inkReagent for plating aluminReagent for karstReagent for antifreeze
Products
Indigo
| Product name | Indigo |
| Alias | C.I. 73000; C.I. Vat Blue 1; 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one; 2,2'-Bis(2,3-dihydro-3-oxoindolylidene); Indigo blue; Vat Blue 1; 2,2'-biindole-3,3'(1H,1'H)-dione |
| English name | Indigo |
| Alias |
C.I. 73000; C.I. Vat Blue 1; 2,2'-biindole-3,3'(1H,1'H)-dione |
| CAS RN | 482-89-3 |
| EINECS No. | 207-586-9 |
| Molecular formula | C16H10N2O2 |
| Molecular weight | 262.2628 |
| Molecular structure |  |
| Density | 1.417g/cm3 |
| Melting point | 390-392℃ (dec.) |
| Boiling point | 400.4°C at 760 mmHg |
| Flash point | 158.2°C |
| Properties | Melting point 390-392°C (dec.) Solubility <0.1 g/100 mL Hue or color light: blue |
| Uses | In dying cotton yarn, cotton cloth, wool or silk |