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.
|
|