N-Butane Calibration Gas from Mexico
Liquefied n-butane in trace concentrations for gas chromatography calibration standards. This product falls under tariff item 2711.13.00 as liquefied butane, used in laboratory quality control, and is provided in certified cylinders with NIST traceability.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the calibration gas is not a separate chemically defined compound, which would be excluded by Chapter Note 1(a)
• Provide a certificate of analysis and NIST traceability documentation
• Comply with Canadian regulations for compressed gases