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P Toluenesulfonic Acid Cas 104-15-4

P-toluenesulfonic acid (molecular structure: p-CH3C6H4SO3H, also written as TsOH, abbreviated as PTS) is a non oxidizing organic strong acid, which is a white needle shaped or powdery crystal that is soluble in water, alcohols, ethers, and other polar solvents. Highly deliquescent, easily dehydrates and carbonizes wood and cotton fabrics, and is insoluble in benzene and toluene; During alkali melting, p-cresol is generated.
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  • 104-15-4

  • bosschemical

  • 104-15-4

p-Toluenesulfonic acid Basic information
Product Name: p-Toluenesulfonic acid
CAS: 104-15-4
MF: C7H8O3S
MW: 172.2
EINECS: 203-180-0
Mol File: 104-15-4.mol
p-Toluenesulfonic acid Chemical Properties
Melting point 106~107℃
Boiling point 116 °C
density 1.07
vapor pressure 69.8Pa at 20℃
refractive index 1.3825-1.3845
Fp 41 °C
storage temp. Inert atmosphere,Room Temperature
solubility DMSO (Slightly), Methanol (Slightly)
pka -0.43±0.50(Predicted)
form Solution
color Clear colorless to light yellow
Odor pungent odor
Water Solubility soluble
LogP 0.41 at 25℃
CAS DataBase Reference 104-15-4(CAS DataBase Reference)
NIST Chemistry Reference P-toluene sulfonic acid(104-15-4)
EPA Substance Registry System 4-Methylbenzenesulfonic acid (104-15-4)

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