Sodium Thiophosphate from Japan
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 — Japan → United States
3.7%
Rate breakdown
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