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2833.21.00.00/Magnesium Sulfate Monohydrate/Mexico

Magnesium Sulfate Monohydrate from Mexico

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 — Mexico → United States

3.7%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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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

Magnesium Sulfate Monohydrate from Mexico — Import Duty Rate | HTS 2833.21.00.00