Pharmaceutical Grade Refined Borax from United States
Pharmaceutical-grade refined borax (disodium tetraborate) meeting USP standards, used in buffers and eye washes. It is a chemically defined compound of Chapter 28, not excluded by the chapter notes, and is not put up in measured doses or for retail sale.
Duty Rate — United States → Canada
0%
Import Tips
• Provide a certificate of analysis showing USP compliance and purity
• Confirm the product is not packaged for retail sale, which could shift classification to Chapter 30
• Ensure the borax is not mixed with other substances that would change its classification