Package: 25kg-plastic-woven bag lined with a plastic bag inside or as per customer's request

Uses : Used as azo medium. Mainly used for the preparation of direct Orange S and direct acid-proof bright-red 4BS.

Molecular Structure:

Product description: J Acid Chemical Name: 2-Amino-5-Naphthol-7-Sulfonic Acid; 7-Amino-4-hydroxy-2-naphthalene sulphonic acid Appearance: Grey to light brown powder; Molecular Formula: C10H9NO4S M. W: 239.25 CAS No.: 87-02-5 Specifications: Purity (J acid):90%min γ Acid:1.5% Moisture:1.00% Insolubles: 0.5% Use: Used as azo medium. Mainly used for the preparation of direct Orange S and direct acid-proof bright-red 4BS. Package: 25kg-plastic-woven bag lined with a plastic bag inside or as per customer's request.