2921.59.00/1,4-Diaminobenzene-2-Sulfonic Acid/Germany

1,4-Diaminobenzene-2-Sulfonic Acid from Germany

1,4-Diaminobenzene-2-sulfonic acid is an aromatic diamine with a sulfonic acid substituent, used as a building block for azo dyes and pharmaceutical intermediates. It is classified under tariff item 2921.59.00 as an 'other' aromatic polyamine.

Duty Rate — Germany → Canada

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Import Tips

• Document the sulfonic acid group and purity level

• Ensure the product is not a salt or mixture excluded from this heading

• Verify if any restrictions apply for pharmaceutical use