1,4-Dihydroxy-anthraquinone [ 81-64-1 ]
- Appearance
- orange to red-brown crystalline powder
- Melting Point
- 198-199(lit.) ( ℃ )
- Boiling Point
- 249.3 ( ℃ )
Chemical properties from acetic acid in precipitating the orange crystallization. Adequate soluble in ethanol red, brown and yellow is soluble in ether fluorescence, soluble in liquid and ammonia treatments of purple.
Use used in the manufacture of reductive dyes, disperse dyestuffs and reactive dye intermediates
| mp | 198-199 °C(lit.) |
| bp | 450 °C |
| vapor density | 8.3 (vs air) |
| vapor pressure | 1 mm Hg ( 196.7 °C) |
| Fp | 222 °C |
| Colour Index | 58050 |
| form | powder |
| color | red-brown |
| Water Solubility | <1 g/L (20 ºC) |
| Merck | 14,8064 |
| BRN | 1914036 |