2-Furoic Acid from China
2-Furoic acid contains a carboxylic acid function attached to unfused furan ring with oxygen hetero-atom only, used in pharmaceuticals. HTS 2932.19.51.00 as furan 'other' per numerical classification rule. Acid function subordinate to ring structure.
Duty Rate — China → United States
28.7%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include pKa and melting point data (133°C) to confirm identity vs isomers
• Non-hazardous solid but dust explosion risk; specify UN 3261 if >25kg packages
• Pharma vs industrial grade requires different FDA import alerts monitoring