Ferrous Sulfate Heptahydrate from Canada
Ferrous sulfate heptahydrate (FeSO4·7H2O) is a pale green crystalline compound used primarily as a nutrient supplement in agriculture and water treatment. It falls under HTS 2833.29.20.00 as a sulfate of iron, specifically classified among other iron sulfates due to its chemical definition as an inorganic iron salt.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify purity and hydration state via lab analysis to confirm classification under iron sulfates
• Include Material Safety Data Sheets (MSDS) showing iron content to avoid misclassification as a mixture
• Check for agricultural use declarations if destined for fertilizers to comply with USDA import rules