p-Toluenesulfonic acid Para-toluene sulfonic acid PTSA CAS 6192-52-5
p-Toluenesulfonic acid (Para-toluenesulfonic acid, PTSA or pTsOH) is an organic compound with the formula CH3C6H4SO3H. It is a white solid that is soluble in water, alcohols, and other polar organic solvents. P-Toluene sulfonic acid PTSA is colorless or white ,and needle shaped crystal or crystallne powder. It dissolves in water, ethanol, aether, benzene.