Sodium Thiophosphate from China
Sodium thiophosphate represents a salt of thiophosphoric acid (inorganic acid of phosphorus/sulfur), used in flotation agents and chemical synthesis. Falls under HTS 2920.90.51.00 per chapter notes for salts of organic/inorganic acid compounds. Mining industry application.
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
• Water content analysis prevents misclassification as hydrated mixture
• Sulfur-phosphorus ratio certification confirms thiophosphate structure