2833.29.51.90/Zinc Sulfate Heptahydrate Crystals/Mexico

Zinc Sulfate Heptahydrate Crystals from Mexico

Zinc sulfate heptahydrate (ZnSO4·7H2O) is a colorless crystalline sulfate salt used in fertilizers and animal feed supplements, classified under HTS 2833.29.51.90 as an 'other' sulfate. Its chemical definition as a metal sulfate places it distinctly in Chapter 28.

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

• Provide assay reports showing minimum 21% Zn content to meet feed-grade standards and support classification

• Include phytosanitary certificates if destined for agricultural use to comply with USDA import regulations

• Declare exact hydrate form (heptahydrate) on entry to distinguish from monohydrate variants

Zinc Sulfate Heptahydrate Crystals from Mexico — Import Duty Rate | HTS 2833.29.51.90