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Phenyl J Acid

C.A.S. No.: 119-40-4

Chemical Formula: C16H13NO4S  

Molecular Weight: 315.343

Chemical name:

4-Hydroxy-7-(Phenylamino)-2-Naphthalenesulfonic Acid

7-Anilino-4-Hydroxy-2-Naphthalenesulfonic Acid

119-40-4
 

Appearance

Grey-White Powder

Grey-White Powder

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.

HPLC purity

97% Min.

95% Min.

Packing

25 kg/500kg woven bag, 100kg iron drum



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