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intermediate

2-hydroxy naphthalene-6,8-disulfonic acid potassium salt (g salt)

c.a.s. no.: 118-32-1

chemical formula: c10h6o7s2k2

molecular weight: 380.48

chemical name:

2-hydroxy naphthalene-6,8-dipotassium disulfonate

118-32-1
 

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



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