Cyclic Tripropyl Phosphonite Oxide Catalyst Precursor from China
Specialty chemical grade 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide serving as precursor for phosphinite-based catalysts in hydroformylation processes. Falls squarely under HTS 2931.46.00.00 as a non-halogenated organo-phosphorus derivative with defined trioxatriphosphinane structure. Typically packaged in 25kg fiber drums for chemical manufacturers.
Duty Rate — China → United States
38.7%
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 CAS registry number and molecular structure matching the tariff description
• Segregate from halogenated phosphorus compounds during storage/shipping to maintain non-halogenated status
• File EPA import certification for new chemical substances if not on TSCA Inventory