2-Hydroxy Naphthalene-6,8-Disulfonic Acid Potassium Salt (G Salt)

Intermediate

C.A.S. No.: 118-32-1

Chemical Formula: C₁₀H₆O₇S₂K₂

Molecular Weight: 380.48

Chemical name:

2-Hydroxy Naphthalene-6,8-Dipotassium Disulfonate

Appearance	Grey-White Powder
Coupling Value	90% Min. (Refined grade 95% Min. available)
R Salt	1% Max.
Free Acid (H2SO4)	1.5% Max.
Insoluble	0.1% Max.
Packing	25 kg woven bag