Stabilized Maleic Acid for Transport from Japan
Maleic acid with added polymerization inhibitor (hydroquinone 50-200 ppm) per Chapter 29 note (f) for safe transport, classified under HTS 2917.19.23.00. Stabilizer prevents exothermic polymerization during shipping. Used in unsaturated polyester resin manufacturing.
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
• Include Material Safety Data Sheet (MSDS) specifying stabilizer type and concentration to qualify under Chapter 29 note (f)
• Ship at 10-40°C temperature range; provide temperature recorder data for insurance claims
• Test inhibitor levels upon Customs clearance as depletion may trigger reclassification