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Ammonium Heptamolybdate Tetrahydrate from Germany

Crystalline ammonium heptamolybdate tetrahydrate ((NH4)6Mo7O24·4H2O), a soluble source of molybdenum for fertilizers and reagents. While a molybdate salt, pure forms are sometimes associated with HTS 2825.70.00.00 if misclassified as hydroxide-derived; primarily 2841. Used in analytical chemistry.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Confirm if truly oxide/hydroxide vs salt to avoid 2841 reclassification; include solubility data in docs

• Pitfall: agricultural use may trigger Chapter 31 scrutiny