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
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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