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%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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