1,1-Diethoxyethane (Acetal) from Japan
1,1-Diethoxyethane is the diethyl acetal of acetaldehyde, a volatile liquid used as a protecting group in organic synthesis. Classified under HTS 2911.00.50.00 as an 'other' acetal with oxygen function per Chapter 29 heading 2911. It qualifies as a separate chemically defined organic compound under chapter note (a).
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit structural formula and IUPAC name in entry documentation to distinguish from ethers or alcohols
• Ensure packaging complies with DOT/UN hazardous material regulations for flammable liquids
• Check for stabilizers; per note (f), allowed only if necessary for preservation/transport