Potassium Binoxalate from Canada
Potassium hydrogen oxalate (KHC2O4) or potassium binoxalate used in photography and metal finishing. Falls under HTS 2917.11.00.00 as acid salt of oxalic acid per classification notes. Chemically defined organic compound containing required functional groups.
Duty Rate — Canada → United States
13.1%
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
Import Tips
• Include stoichiometric analysis confirming monopotassium oxalate structure to prevent confusion with dipotassium salt
• Ship in moisture-proof containers as compound deliquesces, preventing weight gain that triggers reclassification issues
• Declare exact CAS number 127-95-7 on commercial invoice for customs verification