2832.20.00.00/Zinc Sulfite Powder/Mexico

Zinc Sulfite Powder from Mexico

Zinc sulfite (ZnSO3) powder used in specialty chemical synthesis and as a corrosion inhibitor. It qualifies under HTS 2832.20.00.00 as a sulfite of an inorganic base (metal salt), distinct from chromates or other excluded compounds.

Duty Rate — Mexico → United States

13.1%

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
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Import Tips

• Test for heavy metal content; zinc compounds may trigger TSCA import certification requirements

• Use proper packaging to prevent moisture absorption, which alters chemical identity

• Avoid classifying as zinc oxide (2817); provide structural formula to confirm sulfite ion presence

Zinc Sulfite Powder from Mexico — Import Duty Rate | HTS 2832.20.00.00