High Purity Potassium Polyphosphate Crystals from Japan
High purity potassium polyphosphate crystals (>99%) used in laboratory reagents and pharmaceutical intermediates. Meets HTS 2835.39.10.00 criteria as chemically pure potassium polyphosphate. Crystal form ensures stability for precise applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide chromatogram or NMR confirming chemical identity and purity
• Declare for laboratory use to avoid pharmaceutical registration requirements
• Use child-resistant packaging for lab chemical imports