Brittle Maleic Anhydride Lumps from Japan
Solid maleic anhydride in brittle lump form from cooled molten material, HTS 2917.14.5000 'other' classification for acyclic polycarboxylic anhydrides. Used in paper sizing chemical manufacture.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare physical form (lumps vs flakes) accurately as Customs uses form for subheading
• Include infrared spectrum confirming anhydride carbonyl peaks at 1780/1850 cm⁻¹
• Avoid bulk bags >1000kg if retail packing suspected (potential Chapter 38 shift)