1,5-Naphthalene Diisocyanate from United States
1,5-Naphthalene diisocyanate (CAS 3173-72-6), a polycyclic aromatic diisocyanate used in high-performance polyurethane elastomers and coatings requiring thermal stability. It is a chemically defined isocyanate compound, classifiable under tariff item 2929.10.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the CAS number and purity on the certificate of analysis to support classification
• Ensure the product is properly declared as a hazardous material under TDG regulations
• Verify if any end-use restrictions apply under Canadian chemical management programs