New

Ask Wove anything about tariffs.

Try Tariff Assistant

Ammonium Oxalate from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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'