Isobutylene Gas from Germany
Isobutylene gas is a branched C4 olefin used in synthetic rubber production, supplied in gaseous state. It is not a separate chemically defined compound excluded by Chapter Note 1 and does not fit the specific subheading for linear butylene, making it classifiable under this tariff item as other petroleum gases.
Duty Rate — Germany → Canada
0%
Import Tips
• Provide documentation showing the isobutylene is in gaseous state and not liquefied
• Confirm the product is not a separate chemically defined compound, which would be excluded from Chapter 27
• Verify the hydrocarbon composition to support classification as other petroleum gases