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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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