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Ammonium Molybdate Tetrahydrate from China

Ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O) is a laboratory reagent and catalyst precursor in chemical synthesis. Classified under HTS 2841.70.5000 as an 'other' molybdate, it qualifies as a salt of a peroxometallic or oxometallic acid per Chapter 28 notes.

Duty Rate — China → United States

16.2%

Rate breakdown

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter

Import Tips

• Provide assay certificates showing molybdenum content to distinguish from complex salts under 2842

• Declare as 'chemically defined' with exact CAS number (12054-85-2) to prevent reclassification as a preparation

• Comply with TSCA import requirements; notify EPA if annual volume exceeds 10,000 lbs