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2833.30.00.00/Ferric Ammonium Alum/Mexico

Ferric Ammonium Alum from Mexico

Ferric ammonium alum (NH4Fe(SO4)2·12H2O) serves as a coagulant in water treatment and mordant in dyeing. HTS 2833.30.00.00 covers it as an iron-based alum.

Duty Rate — Mexico → United States

11.6%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Ensure wastewater treatment labeling; provide iron content assay

• Pitfall: mislabeling as single ferric sulfate