Intermediate

J Acid

C.A.S. No.: 87-02-5

Chemical Formula: C10H9NO4S

Molecular Weight: 239.2454

Chemical name:

2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid

7-Amino-4-Hydroxy-2-Naphthalenesulfonic Acid

 87-02-5
 

Appearance

Grey-White Powder

Grey-White Powder

Coupling Value

93% Min.

90% Min.

Insoluble in Alkali

0.1% Max.

0.1% Max.

Gama Acid

1% Max.

1.2% Max.

HPLC purity

98% Min.

96.5% Min.

Packing

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