Tetrahydrophthalic anhydride from Germany
Tetrahydrophthalic anhydride is a partially hydrogenated cyclanic polycarboxylic acid anhydride covered by HTS 2917.20.00.00. The cyclohexene ring structure qualifies as cyclenic per the heading description. Widely used in unsaturated polyester resins and alkyd coatings.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish from fully aromatic phthalic anhydride via hydrogenation degree certificates
• Ensure ventilation requirements met for irritant dust during customs inspection
• Provide batch analysis confirming <0.5% phthalic anhydride impurity levels