Dipotassium Carbonate Calcined Soda Ash from Mexico
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 — Mexico → United States
11.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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