Ferrous Sulfate Heptahydrate from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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