Aromatic Ureine Dye Intermediate AUDI-3 from China
Aromatic Ureine Dye Intermediate AUDI-3 is a pure aromatic ureine used for azo dye synthesis. It is a separate chemically defined organic compound with a cyclic carbamate structure, classified under cyclic amides of carbonic acid. This tariff item applies to ureines and their derivatives, provided they are not diluted for dye production.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is not diluted to standard strengths for azo dye production, as chapter note 1(h) excludes such preparations
• Provide the purity level and intended use to CBSA
• If used as a dye intermediate, verify if it falls under heading 32.04 instead