Didecyl Orthophthalate (DIDP) from China
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 — China → United States
41.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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