MEHQ Inhibited Acrylonitrile from Canada
Acrylonitrile inhibited with 4-methoxyphenol (MEHQ) at 30-50 ppm for extended shelf life. Chapter 29 note (f) permits this stabilizer addition, maintaining HTS 2926.10.00.00 classification for transport to polymer plants.
Duty Rate — Canada → United States
16.5%
Rate breakdown
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
• Validate inhibitor levels via HPLC; temperature control <20°C storage; declare as UN1093 PG1 Flammable Liquid