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2933.19.18.00/1-(p-Sulfophenyl)-3-methyl pyrazolone/Canada

1-(p-Sulfophenyl)-3-methyl pyrazolone from Canada

A pyrazolone derivative with a para-sulfophenyl substituent at position 1 and methyl at position 3 on the unfused pyrazole ring. Classified in HTS 2933.19.18.00 as a specifically enumerated aromatic heterocyclic compound. Widely employed as a coupler in azo dye manufacturing.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Include TSCA certification for US import; use acid-resistant packaging for sulfonic group; confirm batch purity exceeds 98%

1-(p-Sulfophenyl)-3-methyl pyrazolone from Canada — Import Duty Rate | HTS 2933.19.18.00