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....
Phenyl J Acid
Chemical name: 4-Hydroxy-7-(Phenylamino)-2-Naphthalenesulfonic Acid
CAS NO: 119-40-4
Molecular formula: C16H13NO4S
Structure formula:
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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