Tobias Acid (2-Naphthylamine-8-sulfonic Acid) from Germany
Tobias Acid (2-Naphthylamine-8-sulfonic Acid) is the sodium salt of 2-naphthylamine-8-sulfonic acid, used as a diazo component in manufacturing acid dyes and pigments. Its aminohydroxynaphthalenesulfonic acid structure places it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound per Chapter 29 Note 1(a).
Duty Rate — Germany → Canada
0%
Import Tips
• Verify that the product is not mixed with other isomers, as mixtures of isomers may be classified differently
• Provide a certificate of analysis to confirm the chemical identity and purity
• Be prepared to explain the end-use to customs if asked, as dye intermediates may be subject to verification