Also -on. Chem. [ad. G. sulfon, f. sulfur: see -ONE a.

1

  The formation is on the analogy of KETONE, the sulphones bearing the same relation to sulphuric acid, SO2(OH)2, as the ketones to carbonic acid, CO(OH)2.]

2

  Any of a group of compounds containing the radical SO2, united to two hydrocarbon radicals.

3

1872.  Chem. News, XXVI. 252/2. Action of Phosphoric Perchloride upon Sulphon Acids.

4

1876.  Encycl. Brit., V. 506/1.

5

1877.  Jrnl. Chem. Soc., II. 613. All of which yield sulphones when heated with phosphoric anhydride.

6

1880.  Miller’s Elem. Chem., Org. (ed. 5), 814. The sulphones resist oxidation.

7