Ethylene Phosphite from China
Ethylene phosphite functions as a phosphorous acid ester used in agricultural pesticides and metal surface treatments. Covered by HTS 2920.90.51.00 for esters of other inorganic nonmetal acids like phosphorous acid. Applied in corrosion inhibition.
Duty Rate — China → United States
11.2%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• EPA pesticide chemical code required on entry summary
• Validate P-H bond via spectroscopy for phosphite vs phosphate distinction