1-Chloro-1,1-Difluoroethane (HCFC-142b) Technical Grade from China
1-Chloro-1,1-difluoroethane (HCFC-142b) is a hydrochlorofluorocarbon used as a refrigerant, foam-blowing agent, and in specialty cleaning applications. It is a separate chemically defined organic compound of acyclic structure, falling under tariff item 2903.74.00 as a halogenated derivative of ethane containing chlorine and fluorine.
Duty Rate — China → Canada
0%
Import Tips
• Verify the product is ≥99% pure HCFC-142b and free of stabilizers that could alter classification
• Check if an import permit is required under the Ozone-depleting Substances Regulations, as HCFCs are controlled
• Keep technical data sheets and CAS number documentation for CBSA officers