p-Toluenesulfonic acid Basic information
Overview Refer to quality standards Chemical properties Uses Production method Hazards & Safety Information
Product Name: p-Toluenesulfonic acid
Synonyms: TL65;TL65LS;PARATOLUENE SULPHONIC ACID;p-tolylsulfonicacid;PTSA 70;toluene-4-sulphonic;Toluene-p-sulfonate;toluenesulfonicacid,liquid,withmorethan5%freesulfuricacid;Organic Chemicals;others;acids
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(1…