Didecyl Orthophthalate (DIDP) from Japan
Didecyl orthophthalate (DIDP) is a straight-chain phthalate ester from orthophthalic acid esterified with decanol, specifically named in HTS 2917.33.00. It serves as a high-performance plasticizer for wire insulation, flooring, and automotive applications requiring thermal stability.
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
• Include technical data sheet confirming >99% purity to avoid reclassification as mixtures
• Comply with phthalate content restrictions under CPSIA for consumer products; certify non-toy applications
• Declare exact isomer composition as Chapter 29 note (b) excludes certain isomer mixtures