Ammonium Tetramolybdate from Mexico
Ammonium tetramolybdate (NH4)2Mo4O13 is utilized in flame retardants and corrosion inhibitors. It qualifies for HTS 2841.70.10.00 as a peroxometallic/oxometallic salt of ammonium per HTS hierarchy.
Duty Rate — Mexico → United States
14.3%
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
• Include molecular formula on labels for customs verification; test for heavy metal impurities
• Avoid pitfall: classifying as organo-inorganic per Chapter 28 exclusion