▪ I. sulphonate, n. Chem.
(ˈsʌlfənət)
[See sulphonic and -ate4.]
A salt of sulphonic acid.
| 1876 Jrnl. Chem. Soc. I. 726 Sulphates almost entirely disappeared from the urine, their place being taken by sulphonates. 1883 Athenæum 10 Feb. 188/3 By the action of caustic potash on the potassium sulphonate a trihydroxydiphenyl was formed. |
▪ II. sulphonate, v.
(ˈsʌlfəneɪt)
[f. the n.]
To convert into a sulphonate, as by the action of sulphuric acid. Hence ˈsulphonated ppl. a., ˈsulphonating vbl. n., sulphoˈnation.
| 1882 Jrnl. Chem. Soc. XLII. 196 The author could not obtain the salt ‘A’..by sulphonating pure cymene. 1890 Athenæum 27 Dec. 893/1 Sulphonation with its concomitant hydrolysis. 1902 Encycl. Brit. XXVI. 720/2 A sulphonating agent. Ibid. 728/2 Compounds such as dimethylaniline..are chlorinated, sulphonated, &c., without difficulty. Ibid., That sulphonation involves a similar series of changes there can be little if any doubt, as acetanilide behaves towards sulphonating agents just as it does on chlorination. 1936, 1966 [see soapless a. b]. 1972 Materials & Technol. V. 302 By the use of energetic sulphonating agents such as sulphur trioxide.., fatty acids can be sulphonated at the alpha carbon atom. The sulphonated acids have useful surface-active properties. |