Diphenyl Methylphosphonate from United States
Diphenyl methylphosphonate is an aromatic phosphonate ester with a methyl group, used in extractive metallurgy and as a flame retardant. It is a chemically defined ester of phosphonic acid, an inorganic acid of phosphorus, and is classified under tariff item 2920.90.00 as an 'other' ester of inorganic acids of non-metals.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the chemical purity and provide a certificate of analysis to CBSA to support classification as a chemically defined compound
• Check if the product is on the Domestic Substances List (DSL) for compliance with Canadian chemical regulations
• Keep records of the end-use to ensure it is not subject to other tariff provisions