1-(o-Ethylphenyl)-3-methyl-2-pyrazolin-5-one from Japan
Ethylphenyl substituted pyrazolone listed under HTS 2933.19.08.00. Unfused pyrazole ring with aromatic modification fits Chapter 29 heterocyclic criteria. Employed in dye chemistry and polymer additives.
Duty Rate — Japan → United States
15.8%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Ethyl group increases flammability; flash point certification required
• Ortho substitution confirmed via X-ray crystallography in CoA
• Polymer additive use may trigger additional TSCA reporting