Sodium Sulfite Anhydrous Powder from Canada
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 — Canada → United States
11.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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