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Bis J Acid

Product:  Bis J Acid

Chemical name: 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

CAS NO:  87-03-6

Molecular formula:   C20H15NO8S2

Structure formula: 

 

Properties:

Grey-yellow paste. 

Application:

Dye intermediates, mostly used in producing azo dyes.

Specification:

Items

Quality

Content,%

30 min.

J Acid,%

5 max.

Insoluble matter,%

0.2 max.

 

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