Chromic Sulfate Anhydrous from Mexico
Anhydrous chromic sulfate (Cr2(SO4)3) is used in pyrotechnics and high-temperature ceramics. It is a pure inorganic chromium sulfate under HTS 2833.29.40.00, distinguished by lack of crystal water. Dark green powder form.
Duty Rate — Mexico → United States
13.7%
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
Import Tips
• Hygroscopic nature requires sealed packaging declarations and <0.5% moisture certification
• ATF permits needed for pyrotechnic precursors
• Avoid classifying hydrates incorrectly; specify anhydrous explicitly