Dibutyl Maleate from Japan
Dibutyl maleate, an ester of maleic acid with butanol, used as reactive diluent in unsaturated polyester resins and copolymer production. Falls under HTS 2917.19.20.00 per chapter note on ester classification with parent acid.
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
• Molecular structure verification confirming maleic acid parent essential
• VOC content documentation for resin applications and environmental compliance
• Distinguish from fumarate esters which follow similar but separate classification