2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, and ??7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. And Reactive Orange 78 chemical structure is the same.
Properties and Applications
bright orange. The appearance is bright orange powder. 30 ℃ in the solubility of water when for 300 g/L. This product can be in in cotton fabrics for discharge.