Disodium Oxalate from China

Anhydrous disodium oxalate (Na2C2O4) used in water treatment and calibration standards. HTS 2917.11.00.00 classification as sodium salt of oxalic acid follows chapter salt rules. High purity white powder.

Duty Rate — China → United States

40.6%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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Import Tips

• Anhydrous vs monohydrate distinguished by density (2.34 vs 2.28 g/cm³); declare appropriately

• Non-hygroscopic; suitable for long-term storage without special packaging

• ACS reagent grade requires heavy metal content <10ppm certification