Cumene Sulfonic Acid from China
Cumene sulfonic acid is an aromatic sulfonated hydrocarbon obtained by sulfonation of cumene (isopropylbenzene). It is a separate chemically defined organic compound with a sulphonic group attached to the aromatic ring, classifiable under heading 2904 as a sulphonated derivative of a hydrocarbon.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound; if it contains impurities, they must be incidental to the manufacturing process
• Declare the correct 10-digit code 2904.99.00
• Keep the safety data sheet and technical specification sheet available for CBSA inspection