Diisopropyl Ether from Germany
Diisopropyl ether is a branched acyclic ether from monohydric isopropanol, used as an extraction solvent and gasoline stabilizer. It is classified under HTS 2909.19.18.00 as an 'other' acyclic ether of monohydric alcohols, meeting Chapter 29 requirements for chemically defined organic compounds. The isopropyl structure distinguishes it from linear ethers.
Duty Rate — Germany → United States
19.5%
Rate breakdown
9903.04.629.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide peroxide formation inhibitor content in analysis certificate
• Declare vapor pressure data for proper storage classification
• Ensure stabilizers meet Chapter 29 note (f) for transport additives