Osmium Tetroxide on Polymer Support from United States
Polymer-anchored osmium tetroxide catalyst for dihydroxylation of alkenes, such as in the Upjohn process for asymmetric synthesis. This supported catalyst falls under tariff item 3815.12.00 because osmium tetroxide, a precious metal compound, is the active substance.
Duty Rate — United States → Canada
0%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Ensure the product is presented as a supported catalyst, not as a standalone osmium compound
• Check if the osmium content requires a permit under Canadian precious metals or hazardous materials regulations
• Document the polymer support and osmium loading on the invoice