Chicago Acid (4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid) from Germany
Chicago Acid (4-amino-5-hydroxy-1,3-naphthalenedisulfonic acid) is a separate chemically defined compound with amino, hydroxy, and two sulfonic acid groups. It is an intermediate for reactive dyes and azo pigments, classified under tariff item 2922.21.00.
Duty Rate — Germany → Canada
0%
Import Tips
• Verify that the product is not put up in measured doses or retail sale, as that would shift classification to another heading
• Keep records of the manufacturing process to confirm it is not a mixture of different compounds
• Check for any anti-dumping or countervailing duties applicable to dye intermediates from certain countries