Manganese(II) Sulfate Tetrahydrate from Mexico
Manganese(II) sulfate tetrahydrate (MnSO4·4H2O) is a hydrated salt employed in textile dyeing, ceramics, and nutritional supplements. This chemically defined inorganic compound is specifically under HTS 2833.29.51.10 for manganese sulfates.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Specify exact hydration level on commercial invoice to match subheading requirements
• Test for heavy metal impurities; FDA oversight applies if destined for food/animal use
• Use UN-approved packaging for hygroscopic powders to prevent degradation in transit