2-Furoic Acid from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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