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Delivery Time:01 15 2014 4:32PM
Purity:99%
Synonyms:1-Naphthalenesulfonicacid,4-hydroxy-; 4-hydroxy-1-naphthalenesulfonicaci; 4-h ydroxynaphthalene-1-sulphonicacid; Nevileandwinther'sacid; N-(m-sulfophenyl) Gamma Acid; 4-Hydroxy-1-naphthalenesulfonic acid; 1-naphthol-4-sulfonic acid; Nevile-Winthers acid, NW acid
Specification (Dry type)
Appearance: White to light yellow powder
Content: not less than 65.0%
Purity: not less than 96.50%
Sodium 1-naphthylamine-4-sulfonate: not more than 1.20%
Sulfur dioxide: not more than 0.30%
Packing: in net 25kg (as is ) plastic woven bag
Usage: Intermediates of dyes and pigments.Such as azo dyes, direct copper blue BR and 2R, Direct Violet RB, Acid Red B and Mordant red B.
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