2-Furaldehyde Diethyl Acetal from Mexico
2-Furaldehyde diethyl acetal protects furfural aldehyde group, used in organic synthesis with aromatic furan ring preserved. Oxygen hetero-atom only in ring structure. Classifies HTS 2932.19.10.00.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Acetal stability data and hydrolysis conditions documentation needed
• Confirm no nitrogen/sulfur impurities per chapter hetero-atom restrictions
• Distinguish protecting group from permanent modification