Sodium Sulfite Anhydrous Powder from Mexico
Pure anhydrous sodium sulfite (Na2SO3) in fine powder form, used primarily as a reducing agent and antioxidant in chemical manufacturing. It falls under HTS 2832.10.00.00 as a sodium sulfite, a simple inorganic salt of sulfurous acid classified in Chapter 28 for chemically defined inorganic compounds.
Duty Rate — Mexico → United States
11.5%
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
• Verify purity levels exceed 97% for correct classification; provide Certificate of Analysis (COA) to avoid reclassification as mixtures
• Ensure packaging prevents moisture absorption to maintain anhydrous state during transit