Dioxaphosphinane Phosphonate 98% Technical Grade from China
Technical grade (98% purity) (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate used in specialty chemical manufacturing. Falls under HTS 2931.47.00.00 as a chemically defined non-halogenated organo-phosphorus compound per Chapter 29 scope.
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
• Label with exact chemical name and EC number for EU REACH compliance during transshipment
• Verify stabilizer content <1% to maintain classification as pure compound vs. mixture
• Use UN-approved packaging for corrosive phosphonate compounds to meet DOT hazardous materials requirements