Spiro Phosphonate Monomer for Polymer Synthesis from Mexico
This research-grade spiro phosphonate monomer is chemically 3,9-dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 3,9-dioxide, used in copolymer production. It is a non-halogenated organo-phosphorus compound and is classified under tariff item 2931.48.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is not polymerized or mixed with other monomers, as that could change classification
• Provide the chemical name and purity to the CBSA
• Verify if the product requires any special permits for research use in Canada