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
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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