Fast Blue Base BB from United States
Fast Blue Base BB is a diazotizable aromatic amine used for creating fast blue azo dyes for cotton and wool printing. It is a chemically defined compound and is classified under tariff item 2921.49.00 as an 'other' acyclic monoamine derivative.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound and not a mixture
• Provide a certificate of analysis to support classification
• Check if the product is subject to any restrictions for use in dye synthesis