Zinc Sulfite Powder from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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