Sodium Sulfite Meta Bisulfite Precursor from Canada
High-purity sodium sulfite granules serving as a precursor for sodium metabisulfite production in food and pharma. Falls under HTS 2832.10.00.00 due to its chemical definition as Na2SO3 in Chapter 28.
Duty Rate — Canada → United States
11.5%
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
• Provide spectral analysis confirming sulfite content over 95%; register under TSCA for US chemical import
• Pitfall: confusion with metabisulfite (2832.20) requires clear lab differentiation