2519.90.50.00/Technical Grade Magnesium Oxide for Fertilizers/Mexico

Technical Grade Magnesium Oxide for Fertilizers from Mexico

Technical magnesia powder used as a magnesium supplement in agricultural fertilizers. It qualifies under HTS 2519.90.50.00 as other magnesium oxide from natural sources, not chemically modified beyond calcination.

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
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Import Tips

• Include soil amendment/fertilizer end-use statements, but classify based on material form, not use

• Document calcination process to prove it's 'other magnesium oxide' vs. fused types

• Avoid blending with NPK; pure magnesia imports stay in 2519—mixtures may shift to Chapter 31

Technical Grade Magnesium Oxide for Fertilizers from Mexico — Import Duty Rate | HTS 2519.90.50.00