2921.59.00/5-Amino-2-(p-aminoanilino) Benzenesulfonic Acid/Mexico

5-Amino-2-(p-aminoanilino) Benzenesulfonic Acid from Mexico

5-Amino-2-(p-aminoanilino)benzenesulfonic acid is a complex aromatic polyamine with sulfonic acid substitution, used in azo dye coupling. It is classified under tariff item 2921.59.00 as an 'other' aromatic polyamine derivative.

Duty Rate — Mexico → Canada

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Import Tips

• Provide the full chemical name and CAS number on import documents

• Ensure the product is a separate chemically defined compound

• Verify if the sulfonic acid group affects classification under other headings