Isodecyl Diphenyl Phosphate (IDPP) from Canada
Isodecyl diphenyl phosphate functions as a low-volatility plasticizer and flame retardant for flexible PVC and coatings. This alkyl-aryl phosphoric ester is captured by HTS 2919.90.50.50 as an 'other' phosphoric ester per Chapter 29 note (a) for separate organic compounds. It lacks specific provisions elsewhere in the heading.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide GC-MS analysis confirming >95% purity to maintain Chapter 29 classification
• Include end-use statements if challenged on plasticizer vs pure chemical status
• Ensure stabilizers don't render it a 'preparation' under 3824