Propionaldehyde Diethyl Acetal from Japan
Propionaldehyde diethyl acetal (1,1-diethoxypropane) functions as a Grignard reagent precursor. Classified HTS 2911.00.50.00 as a simple aliphatic acetal with oxygen function under Chapter 29 heading 2911.
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
• Use UN-approved drums for water-reactive chemicals
• Specify hydrolysis conditions to prove acetal stability
• Avoid temperature extremes; declare thermal stability data