Phosphonous Acid Bis(2,4-di-tert-butylphenyl) Ester Derivative from Japan
Phosphonous acid bis(2,4-di-tert-butylphenyl) ester derivative is a technical-grade organo-inorganic compound with phosphorus-carbon bonds. It matches the specification of 4,4'-diphenylbisphosphonous acid di(2',2",4',4"-di-tert-butyl)phenyl ester and falls under heading 29.31.
Duty Rate — Japan → Canada
0%
Import Tips
• Document the exact chemical structure and CAS number on the commercial invoice
• Ensure the product is not classified as a plastic additive under another heading
• Verify the product's purity and any stabilizers