Magnesium Sulfate Monohydrate from Japan

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 — Japan → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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 Japan — Import Duty Rate | HTS 2833.21.00.00