sulphonate

/ ˈsʌlfəˌneɪt /

noun

1. a salt or ester of any sulphonic acid containing the ion RSO 2 O ^–or the group RSO 2 O–, R being an organic group

verb

1. tr to introduce a sulphonic acid group, –SO 2 OH, into (a molecule)

Example Sentences

Sodium thiophene sulphonate, thiophenetetra-bromide, thiophene diiodide, are all medicinals.

From Project Gutenberg

By reaction with sodium sulphite it is converted into a hydroquinone sulphonate of deep purple colour.

From Project Gutenberg