Fumaronitrile from Japan
Fumaronitrile (NC-CH=CH-CN) is a trans-dicyanoethylene used in Diels-Alder reactions and dyes. HTS 2926.90.5050 for unsaturated nitrile-function compounds under Chapter 29 definitions. Highly electron-deficient dienophile.
Duty Rate — Japan → United States
0%
Rate breakdown
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
• Sublimation risk; use sealed containers with desiccants
• Trans isomer confirmation via IR spectroscopy
• Toxicity higher than mononitriles; enhanced PPE declarations