4,4'-Methylenebis(2,6-dimethylphenylcyanate) from Canada
A sterically hindered cyanate ester explicitly listed in HTS 2929.90.0500, with two 2,6-dimethyl-4-cyanatophenyl groups linked by methylene bridge. Provides enhanced processability in resin systems for printed circuit boards. Classified here due to specific cyanato nitrogen functionality.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• GC-MS analysis recommended to confirm no isomer impurities affecting classification
• Label as 'reactive monomer - keep cool/dry' to prevent in-transit polymerization
• Check REACH/SVHC compliance for European transshipments involving this compound