Mixed Dinonyl/Didecyl Orthophthalate (DNDP) from Canada
Mixed dinonyl/didecyl orthophthalate (DNDP) blends are classified under HTS 2917.33.0050 as 'other' within the dinonyl/didecyl orthophthalate category. These plasticizers combine C9 and C10 alcohol chains for optimized performance in flooring and wall coverings. The aromatic polycarboxylic structure ensures classification specificity.
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
• Provide chromatogram data showing combined dinonyl/didecyl content ≥90% to qualify for specific 2917.33.0050 classification
• Declare exact isomer ratios on commercial invoice; variations may trigger 2917.39 reclassification by customs chemists
• Ensure DOT/UN proper shipping names match 'aromatic ester plasticizer' to avoid hazmat surcharges