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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

100%

Rate breakdown

9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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

3-Methyl-1-p-sulfophenyl-5-pyrazolone from Canada — Import Duty Rate | HTS 2933.99.24.00