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Triisooctyl Phosphate (TIOP) from Japan

TIOP serves as a primary plasticizer for nitrocellulose lacquers and PVC flooring applications requiring high solvency. Classified in HTS 2919.90.50.10 as a trialkyl phosphoric ester plasticizer, it offers excellent compatibility with polar polymers. Commonly used where rapid gelation and fast fusion are needed.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Document branched octyl chain structure (2-ethylhexyl derivatives) distinguishing from linear DOP

Include volatility and migration test data confirming plasticizer permanence

Verify VOC content <3% for low-emission flooring applications