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2933.99.24.00/1-(2,4-Diamino-5-methylphenylazo)-2-naphthol-7-sulfonic Acid/China

1-(2,4-Diamino-5-methylphenylazo)-2-naphthol-7-sulfonic Acid from China

A complex azo coupler used in photographic color development for magenta dye formation, featuring aromatic heterocyclic components. This compound participates in chromogenic reactions specific to silver halide photography. Its photographic chemical role justifies HTS 2933.99.24.00 classification.

Duty Rate — China → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Complex structure requires detailed NMR/structural analysis; declare as sulfonated azo compound; ensure wastewater permits for sulfonic acid disposal

1-(2,4-Diamino-5-methylphenylazo)-2-naphthol-7-sulfonic Acid from China — Import Duty Rate | HTS 2933.99.24.00