DOPO Derivative 3,9-Dimethylspiro Phosphonate from Mexico
This DOPO derivative is precisely 3,9-dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 3,9-dioxide, a non-halogenated organo-phosphorus compound used in flame-retardant synthesis. It is classified under tariff item 2931.48.00 as the specific named compound.
Duty Rate — Mexico → Canada
0%
Import Tips
• Clarify the chemical identity to the CBSA, as DOPO derivatives can vary; this specific compound is the named one
• Provide the chemical structure and CAS number to avoid confusion with other DOPO-based products
• Check if the product is regulated as a flame retardant under Canadian chemical regulations