3,3'-Dichlorobenzidine Dihydrochloride from United States
3,3'-Dichlorobenzidine dihydrochloride is a double-salt derivative of a di-chlorinated aromatic polyamine, used in azo pigment synthesis. The organic polyamine component determines classification under tariff item 2921.59.00.
Duty Rate — United States → Canada
0%
Import Tips
• Declare the product as a salt of an aromatic polyamine and include the CAS number (612-12-4)
• Verify if the product is subject to Canadian chemical control regulations for chlorinated substances