Isobutyronitrile from Germany
Isobutyronitrile ((CH3)2CHCN) is a branched aliphatic nitrile used in fine chemical synthesis and extractive distillation. HTS 2926.90.5050 as other nitrile-function compound, chemically pure organic per Chapter 29. Lower boiling point than n-isomer makes it preferred solvent.
Duty Rate — Germany → United States
25%
Rate breakdown
9903.04.6215%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
• Distinguish from propanenitrile via branched chain documentation
• Peroxide formation risk requires inhibitor declaration
• GC purity >99.5% typical for .5050 statistical reporting