Anthraquinone Disulfonic Acid Sodium Salt from Germany
Anthraquinone disulfonic acid sodium salt is a water-soluble sodium salt of anthraquinone disulfonic acid, classified as an aromatic sulfonated quinone derivative. It serves as a key intermediate in dye synthesis and pharmaceutical applications. As a sulfonated derivative of a quinone, it falls under tariff item 2914.79.00.
Duty Rate — Germany → Canada
0%
Import Tips
• Classify the product under 2914.79.00 and include the chemical name and CAS number on customs documentation
• Be prepared to demonstrate that the product is not put up for retail sale as a dye, which would shift classification to heading 32.04
• Consider obtaining a customs ruling if you are unsure about the classification of sulfonated anthraquinone derivatives