Ammonium Oxalate from Canada

Diammonium oxalate ((NH4)2C2O4·H2O) used in textile dyeing and analytical reagent applications. Classified HTS 2917.11.00.00 as salt of oxalic acid per chapter inorganic salt classification rules. Chemically defined compound meeting chapter purity standards.

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

Specify crystal water content (1H2O) on COA as affects molecular weight declarations

Ammonium salts evolve ammonia; ensure ventilation requirements in shipping papers

Distinguish from fertilizer grades (3102.30) by declaring 'technical grade >98% purity'