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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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