Compound Q&A
What is p-Toluenesulfonic Acid (CAS: 104-15-4)?
Answer
P-Toluenesulfonic Acid (CAS: 104-15-4) is a strong organic acid commonly used as a catalyst in chemical reactions. Its chemical formula is C7H8O3S, and it appears as a white crystalline solid. It is soluble in water and has a pKa of around 1.1. Known for its high acidity and stability, it is widely used in industrial and laboratory settings due to its effectiveness in promoting various organic transformations.
About
CAS No
104-15-4
English Name
p-Toluenesulfonic Acid
Molecular Formula
C7H8O3S
Molecular Weight
172.2 g/mol
EINECS
203-180-0
SMILES
Cc1ccc(cc1)S(=O)(=O)O
InChIKey
JOXIMZWYDAKGHI-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07
