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        Wenzhou MeiErNuo Chemical Co., Ltd.

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        Phenyl J Acid

        C.A.S. No.: 119-40-4

        Chemical Formula: C16H13NO4S  

        Molecular Weight: 315.343

        Chemical name:

        4-Hydroxy-7-(Phenylamino)-2-Naphthalenesulfonic Acid

        7-Anilino-4-Hydroxy-2-Naphthalenesulfonic Acid

        119-40-4
         

        Appearance

        Grey-White Powder

        Grey-White Powder

        Coupling Value

        93% Min.

        90% Min.

        Insoluble matter

        0.1% Max.

        0.15% Max.

        Free J Acid

        0.5% Max.

        1% Max.

        Free Aniline

        0.2% Max.

        0.4% Max.

        Bis J Acid

        0.8% Max.

        2% Max.

        HPLC purity

        97% Min.

        95% Min.

        Packing

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



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