Cumenesulfonic Acid from United States
Cumenesulfonic acid is an aromatic anionic surfactant derived from cumene (isopropylbenzene), used as a hydrotrope and polymerization emulsifier. It falls under this tariff item as an anionic organic surface-active agent, not elsewhere specified, and meets the Chapter 34 definition for surface-active products.
Duty Rate — United States → Canada
6.5%
Import Tips
• Ensure the product meets the Chapter 34 surface-active test (0.5% concentration, stable emulsion, surface tension reduction) to qualify for this tariff item
• Provide a safety data sheet and technical specification to the CBSA if requested
• Verify whether the product is subject to any chemical control regulations under Canadian environmental law