Diisodecyl Pentaerythritol Diphosphite from Canada
Diisodecyl pentaerythritol diphosphite is a multi-functional phosphite antioxidant for polyolefins. Complex phosphite ester structure classified under HTS 2920.29.00.00.
Duty Rate — Canada → United States
13.7%
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
• Provide molecular structure diagram showing dual P-OR functionality
• High melting point requires drum heating specifications
• Confirm no P=O bonds via 31P-NMR to avoid phosphate classification