7-Amino-1,3-naphthalenedisulfonic acid (Sodium Salt) from Germany
7-Amino-1,3-naphthalenedisulfonic acid (Sodium Salt) is a chemically defined aromatic amine derivative with sulfonic acid groups, used as an intermediate in azo dye synthesis. As a salt of a naphthylamine derivative, it is classified under tariff item 2921.45.00.
Duty Rate — Germany → Canada
0%
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