Sodium Sulfite Meta Bisulfite Precursor from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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