Sodium Carbonate Monohydrate (Crystal Soda) from Canada
Sodium carbonate monohydrate (Na2CO3·H2O) is a crystalline hydrated form of disodium carbonate used in water treatment and as a pH buffer. It qualifies for HTS 2836.20.00.00 as chemically defined disodium carbonate, including common hydrates.
Duty Rate — Canada → United States
11.2%
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
Import Tips
• Include water of crystallization proof via assay reports; hydrate forms must not exceed stability limits to avoid reclassification
• Comply with TSCA import notifications for chemical substances