Isobutyronitrile from China
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 — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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