para-toluenesulfonic acid

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para-toluenesulfonic acid

[¦par·ə ¦täl·yə‚wēn¦səl¦fän·ik ′as·əd]
(organic chemistry)
C6H4(SO3H)(CH3) Toxic, colorless, combustible crystals soluble in water, alcohol, and ether; melts at 107°C; used in dyes and as a chemical intermediate and organic catalyst.
References in periodicals archive ?
2]O), polyethylene glycol 400 (PEG-400), p-toluenesulfonic acid (p-TSA) and orthodichlorobenzene at analytical reagent grade were obtained from Shanghai Chemical Company (China) and used as received.
Diethylene glycol, p-toluenesulfonic acid and paraformaldehyde were used as received without purification.
05 g of p-toluenesulfonic acid were added to a flask containing 100 mi toluene.
3] groups are coupled with the polymer chains in a different way that found in polyaniline doped with p-toluenesulfonic acid, where S[O.
The derivatives used were the hydrochloric acid, sulfuric acid, stearic acid, p-toluenesulfonic acid, and methane sulfonic acid salts and the methyl iodide quaternary ammonium salt.