Fluorenone-2-sulfonic Acid from United States
Fluorenone-2-sulfonic Acid combines a cyclic aromatic ketone with sulfonic acid substitution. It is used in dye intermediates. As a sulfonated derivative of fluorenone, it falls under the sulphonated derivatives of ketones and quinones.
Duty Rate — United States → Canada
0%
Import Tips
• Provide a Certificate of Analysis confirming the sulfonic acid group and purity
• If used in dye production, verify the end-use to support classification
• Check if the product is on the Domestic Substances List (DSL) for environmental compliance