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Sodium Sulfite Anhydrous Powder from Japan

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 — 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

• 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