CAS No.: 104-15-4
Melting point: 106~107℃
Boiling Point: 116 °C
Flashing point: 41 °C
Refractive index: 1.3825-1.3845
Soluble: 1 g/L (20 ºC)
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P-Toluenesulfonic Acid (PTSA or pTsOH) or tosylic acid (TsOH) is an organic compound with the formula CH3C6H4SO3H. It is a white solid that is soluble in water, alcohols, and other polar organic solvents. The 4-CH3C6H4SO2– group is known as tosyl group and is often abbreviated as Ts or Tos. Most often, TsOH refers to the monohydrate, TsOH.H2O. TsOH is a strong organic acid, about a million times stronger than benzoic acid.
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