3-Methyl-1-p-sulfophenyl-5-pyrazolone from Canada
A sulfonic acid derivative of pyrazolone used as a coupler in color photographic development to produce yellow dye images. This aromatic heterocyclic compound with nitrogen hetero-atoms is essential for multilayer color film processing. Its photographic specificity places it under HTS 2933.99.24.00.
Duty Rate — Canada → 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
Import Tips
• Include wastewater treatment plans due to sulfonic acid content; verify sulfonated derivative classification per Chapter 29 notes; use UN-approved packaging for corrosive liquids