Deuterium Oxide (Heavy Water, D2O) from United States
Deuterium oxide, also known as heavy water, is a compound of the stable hydrogen isotope deuterium. It is used as a moderator in nuclear reactors and in various scientific applications. Since deuterium is not a radioactive isotope, it is excluded from heading 28.44 and falls under this tariff item for compounds of isotopes other than those of heading 28.44.
Duty Rate — United States → Canada
0%
Import Tips
• Declare heavy water under tariff item 2845.90.00, as it is a compound of a non-radioactive isotope
• Be aware that heavy water may be subject to export controls, but imports are generally permitted
• Provide documentation of the isotopic purity to the CBSA