Ferric Sulfate Anhydrous from Mexico
Ferric sulfate (Fe2(SO4)3) in anhydrous form is a yellow to brown powder used in water purification and as a coagulant. Classified under HTS 2833.29.20.00 as an other sulfate of iron, meeting Chapter 28 criteria for chemically defined inorganic iron compounds.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide chemical assay certificates confirming Fe2(SO4)3 composition to prevent reclassification
• Label as hazardous material if moisture-sensitive to meet DOT import transport regulations
• Avoid packaging that suggests retail sale, as bulk industrial forms stay in Chapter 28