Related categories: general reagents; pharmaceutical intermediates; organic raw materials; dyes; chemical; biochemical reagents
Acidity coefficient (pKa)
dark gray to brown
7.7 (1g/l, H2O, 20℃)
21 g/L (20 ºC)
104-94-9(CAS DataBase Reference)
Molten crystals. Soluble in ethanol and ether, slightly soluble in water.
1. Used as dyes and pharmaceutical intermediates
2. This product is mainly used in the dye industry to prepare ice dyes, such as jujube-based GP, blue salt VB, phenolic phenol AS-RL, phenolic phenol AS-SG, CI disperse blue 79 and other dyes and indomethacin. Intermediates for pharmaceuticals such as ping and burqin.
3. Used as a complexing indicator for the determination of high iron, also used in organic synthesis