Sodium Salt of 1-Naphthylamine-4-sulfonic Acid from United States
Sodium Salt of 1-Naphthylamine-4-sulfonic Acid is the salt form of a naphthylamine derivative, used to improve water solubility in dye coupling processes. It is classified under tariff item 2921.45.00, which covers salts of naphthylamine derivatives. The inorganic salt modification does not change the organic compound's classification.
Duty Rate — United States → Canada
0%
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