Industrial Heavy Water D2O 99.5% for Chemical Synthesis from Canada
Industrial-grade heavy water (D2O 99.5%) employed in organic synthesis and deuterium exchange reactions in pharmaceutical production. Classified as deuterium oxide under HTS 2845.10.00.00 per chapter isotope provisions.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Use stainless steel or compatible containers to prevent isotopic exchange; file for duty drawback if re-exported in products
• Confirm non-nuclear end-use to bypass additional controls