3-Methyl-1-phenyl-5-pyrazolone from Canada
Pyrazolone derivative employed in yellow coupler formulations for photographic color papers and films. Its aromatic structure with unfused pyrazole ring qualifies under HTS 2933.19.30 as photographic chemical. Couples with oxidized developer to produce yellow image dyes.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide CAS number (1892-67-1) and IUPAC name consistency across shipping documents
• Include batch certificates showing low heavy metal content required for photo-grade chemicals