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        Intermediate

        2,6-Naphthalenedisodium Acid, Disodium Salt

        C.A.S. No.: 1655-45-4

        Chemical Formula: C10H6Na2S2O6

        Molecular Weight: 332.25

        Chemical name:

        2,6-Naphthalenedisulfonic Acid Disodium Salt, Dehydrate

        Disodium Naphthalene-2,6-Disulfonate

         

         

        Appearance

        White Powder

        Coupling Value

        90% Min.

        HPLC

        98% Min.

        2,7-Disulfonic Acid

        2% Max.

        Salt Content

        5% Max.

        Free Acid

        2% Max.

        Insoluble

        0.3% Max.

        Packing

        25 kg woven bag



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