2833.29.51.90/Lithium Sulfate Monohydrate/Mexico

Lithium Sulfate Monohydrate from Mexico

Lithium sulfate monohydrate (Li2SO4·H2O) is used in lithium battery electrolytes and pharmaceuticals, under HTS 2833.29.51.90 as other alkali sulfates. Critical mineral status applies.

Duty Rate — Mexico → 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

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Import Tips

• USGS critical minerals declaration for battery supply chain

• Li2O equivalent content reporting >18%

• Battery-grade purity documentation