Deuterium Oxide D2O Laboratory Grade 99.8% Isotopic Purity from Canada
Laboratory-grade heavy water (D2O) at 99.8% isotopic purity is a stable isotope compound used in NMR spectroscopy and chemical research. It falls under HTS 2845.10.00.00 as heavy water, distinct from radioactive isotopes in 2844.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label containers with exact isotopic enrichment to comply with customs verification; check for end-user statements to prevent diversion to nuclear uses
• Avoid bulk packaging that could mimic regular water shipments