Product:  J Acid

Chemical name: 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid

CAS NO:  87-02-5

Molecular formula:   C10H9NO4S

Structure formula: 

Properties:

Grey powder. Difficultly soluble in water. Easily soluble in alkali-creating correspondence salt. The liquid of its’ sodium salt is blue fluorescence.

Application:

Dye intermediates, used for production many dyestuffs as the material, such as direct copper blue 151,direct scarlet 23, reactive brown K3R, phenyl J-acid and Bis-J-acid.

Specification: