Maleic Anhydride with Stabilizer Additive from Japan
Maleic anhydride containing <0.05% polymerization inhibitor (hydroquinone) for transport stability, classified HTS 2917.14.5000 per Chapter 29 note (f). Remains chemically defined acyclic anhydride for resin production.
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
• Document stabilizer concentration (<1%) to qualify under Chapter 29 note (f) exception
• Provide quantitative HPLC analysis showing maleic anhydride as principal component (>98%)
• Separate from polyester prepolymers which classify under Chapter 39