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Published online by Cambridge University Press: 15 September 2014
Ethyl-sulphone-acetic acid, C2H5SO2 – CH2 – COOH, was prepared by Claesson's method. Fourteen grams of the potassium salt were dissolved in 20 c.c. of water, and the solution electrolysed for 30 minutes under following conditions:—Volts, 12; ampères, 3·4; temperature, 30°–35° C.
Carbonic anhydride and hydrogen were given off, and a white solid substance separated. This was collected on a filter and washed with cold water. The product, when dry, weighed 1·7 gram. It was purified by recrystallisation from chloroform.
It forms needles, melting at 136°–137°.
* Bul. de la Soc. Chimique de Paris, xxiii, p. 444 (1875)Google Scholar.