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2-hydroxy naphthalene-3,6-disulfonic acid sodium salt (r salt)

c.a.s. no.: 148-75-4

chemical formula: c10h6o7s2na2

molecular weight: 348.26

chemical name:

2-hydroxy naphthalene-3,6-disodium disulfonate

148-75-4
 

appearance

grey-white powder

coupling value

80% min.

schaffer's salt

1.5% max.

free acid (h2so4)

2% max.

insoluble

0.1% max.

packing

25 kg woven bag



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