High Purity Potassium Polyphosphate Crystals from Canada
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 — Canada → United States
13.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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