2833.29.10.00/Cobalt(II) Sulfate Heptahydrate/Mexico

Cobalt(II) Sulfate Heptahydrate from Mexico

Cobalt(II) sulfate heptahydrate (CoSO4·7H2O) is a pink crystalline salt used in electroplating baths and as a cobalt source in fertilizers. It falls under HTS 2833.29.10.00 as a sulfate of cobalt, classified among other sulfates of metals per Chapter 28 notes.

Duty Rate — Mexico → United States

1.4%

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

• Verify purity and hydrate form via Certificate of Analysis (CoA) to confirm HTS 2833.29.10.00 classification as cobalt sulfate

• Include Safety Data Sheet (SDS) and ensure EPA/TSCA registration for chemical import compliance

• Avoid misclassification as fertilizer blends (Chapter 31); ship as pure chemical to prevent reclassification