Allyl Cyanide (3-Butenenitrile) from Canada
3-Butenenitrile (CH2=CH-CH2-CN) is an unsaturated aliphatic nitrile used in organic synthesis and polymer chemistry. Falls under HTS 2926.90.5050 as other nitrile-function compounds per Chapter 29 definitions for chemically defined organics. Its reactivity stems from both alkene and nitrile groups.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare polymerization inhibitors explicitly; unstabilized forms pose explosion risks
• Match statistical suffix .5050 with >99% purity documentation
• Hazard class 6.1 packaging mandatory; common error is under-declaring toxicity