Anthraquinone-2-sulfonic Acid from Mexico
Anthraquinone-2-sulfonic acid is a sulfonated quinone derivative used as an intermediate for disperse dyes and pharmaceuticals. The sulfonic acid group is a sulphonated derivative of the quinone, and the quinone function remains the primary characteristic. It is classified under tariff item 2914.69.00 as an 'other' quinone, with the sulfonation noted but not altering the core classification.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the sulfonic acid group does not make the product more specifically classifiable under organo-sulphur compounds of heading 29.30
• Provide the synthesis route and end-use to support classification as a quinone derivative
• Ensure the product is not put up in forms for retail sale, which would affect classification