Magnesium Sulfate Monohydrate from Germany
Magnesium sulfate monohydrate (MgSO4·H2O), or kieserite, is used in fertilizers and animal feed supplements. It is a sulfate of magnesium under HTS 2833.21.00.00, chemically defined without organic stabilizers. This form is less hydrated than Epsom salt but retains sulfate structure.
Duty Rate — Germany → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Label hydration level clearly to avoid confusion with anhydrous; obtain feed-grade approvals if for animal use; ensure no NPK blending to stay in Chapter 28