Dipotassium Carbonate Calcined Soda Ash from China
Calcined dipotassium carbonate derived from potash, used in textile dyeing and wool processing as an alkaline agent. It is explicitly classified in HTS 2836.40.10.00 as dipotassium carbonate, a peroxocarbonate-excluded inorganic salt. This form is granular for easier handling in industrial baths.
Duty Rate — China → United States
36.9%
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
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)
Import Tips
• Provide process documentation showing calcination without peroxides to stay in 2836.40
• Check for REACH/TSCA compliance if used in consumer textiles; declare end-use
• Package in anti-caking agents carefully—excess organics may reclassify under Chapter 38