Trona-Derived Synthetic Soda Ash from Mexico
Trona-derived synthetic soda ash is processed from natural trona ore into disodium carbonate for soap and paper industries. Classified under HTS 2836.20.00.00 post-processing as chemically defined Na2CO3.
Duty Rate — Mexico → United States
11.2%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish from raw trona via processing certs; low iron content (<0.1%) key for glass grade
• Use ventilated containers to manage moisture