Pharmaceutical Grade Refined Borax from Canada
USP-grade refined disodium tetraborate for use in pharmaceutical buffers and eye washes. Classified under HTS 2840.19.00.00 as other refined borax, meeting chemical purity standards of Chapter 28. Excludes isotopes or radioactive compounds per note 5.
Duty Rate — Canada → United States
10.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Supply USP/EP certificates and low heavy metal specs; FDA prior notice required
• Pitfall: Blends for final drugs shift to Chapter 30
• Track boron exposure limits