2-Furaldehyde Diethyl Acetal from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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