4-Hydroxy-7-(Phenylamino)-2-Naphthalenesulfonic Acid (Phenyl J Acid) CAS 119-40-4 93%

Phenyl J Acid Chemical name: 4-Hydroxy-7-(Phenylamino)-2-Naphthalenesulfonic Acid CAS NO: 119-40-4 Molecular formula: C16H13NO4S Properties: Grey or white powder. Slightly soluble in water, ethanol and dilute acid, also soluble in alkali solution....

Product Details

Phenyl J Acid

Chemical name: 4-Hydroxy-7-(Phenylamino)-2-Naphthalenesulfonic Acid

CAS NO:  119-40-4

Molecular formula:  C16H13NO4S

Structure formula: 

 119-40-4.gif

Properties:

Grey or white powder. Slightly soluble in water, ethanol and dilute acid, also soluble in alkali solution.

Application: 

Mainly used to dyestuff intermediates, complexing azo dyestuff, direct green BTL, direct blue FBGL and direct violet BBL and etc.

Specification:

Items

Quality

Quality

Coupling Value,%

93 min.

90 min.

Insoluble matter,%

0.1 max.

0.15 max.

Free J Acid,%

0.5 max.

1 max.

Free Aniline,%

0.2 max.

0.4 max.

Bis J Acid,%

0.8 max.

2 max.

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