Cumene Sulfonic Acid from Mexico
Cumene sulfonic acid is derived from sulfonation of isopropylbenzene, containing only sulfo groups. It is a chemically defined compound used in hydrotropic formulations. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is a single chemically defined compound; if it is a mixture of isomers, it may still qualify under Chapter 29 note 1(b)
• Verify the product is not put up for retail sale as a formulated preparation
• Provide the CAS number and purity data to the CBSA