Toluene Sulfonic Acid Monohydrate from Germany
Toluene sulfonic acid monohydrate, specifically p-toluenesulfonic acid monohydrate (CAS 6190-39-2), is a strong organic acid produced by sulfonating toluene. It contains only sulfo groups on the phenolic ring and is used as a catalyst in esterification reactions. This chemically defined compound is classified under tariff item 2908.99.00 as a sulfonated derivative of phenols.
Duty Rate — Germany → Canada
0%
Import Tips
• Ensure the product is the monohydrate form and declare the water content
• Provide the CAS number and purity certificate
• If the product is anhydrous, confirm the correct tariff classification