Sodium Metasilicate Nonahydrate Crystals from Mexico
Sodium metasilicate nonahydrate (Na2SiO3·9H2O) appears as free-flowing white crystals, a hydrated commercial sodium silicate under HTS 2839.11.00.00. Commonly used in laundry powders and metal cleaning compounds.
Duty Rate — Mexico → United States
11.1%
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
• Test for hydrate content to avoid reclassification as anhydrous form
• Include REACH or TSCA certification if applicable for chemical import registration
• Segregate from acids in storage to prevent hazardous reactions