3-Chloro-1-butyne from Mexico
3-Chloro-1-butyne is a chemically defined unsaturated chlorinated acyclic hydrocarbon with a terminal alkyne and propargylic chloride, used as a specialty intermediate in organometallic coupling reactions. It falls under Chapter 29 as an unsaturated chlorinated derivative of acyclic hydrocarbons.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide the CAS number and technical data sheet to confirm the chemical identity for CBSA
• If the product is used in research, ensure it is not classified as a controlled substance
• Keep the product's safety data sheet available for customs inspection