p-Toluenesulfonic Acid (PTSA) from Germany
p-Toluenesulfonic acid (PTSA) is a strong organic acid obtained by sulfonation of toluene, with the sulphonic group para to the methyl group on the benzene ring. It is a separate chemically defined organic compound, classifiable under heading 2904 as a sulphonated derivative of a hydrocarbon, and is widely used as a catalyst in organic synthesis.
Duty Rate — Germany → Canada
0%
Import Tips
• Confirm the product is the para isomer; mixtures of isomers are covered by Chapter 29 Note 1(b)
• If the product is hydrated (e.g
• monohydrate), the water of crystallization is acceptable
• Provide the purity and melting point data on the certificate of analysis for CBSA