Ammonium Molybdate Tetrahydrate from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, 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