High-Purity Research Oxygen-18 Isotope from Japan
High-purity research oxygen-18 isotope gas is a stable isotope of oxygen used in PET imaging tracers and metabolic research. It falls under tariff item 2804.40.00 as elemental oxygen, since stable isotopes of nonmetals are classified in Chapter 28.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide documentation confirming the isotope is stable and not radioactive, as radioactive isotopes fall under heading 28.44
• Ensure the gas is shipped in approved containers and declare the exact isotopic composition for CBSA verification
• Check if an import permit is needed for research purposes