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Isodecyl Diphenyl Phosphate (IDPP) from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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

Isodecyl Diphenyl Phosphate (IDPP) from Japan — Import Duty Rate | HTS 2919.90.50.50