isatin

[ ahy-suh-tin ]

noun

, Chemistry.

1. a yellowish-red or orange, crystalline, water-soluble solid, C 8 H 5 NO 2 , used chiefly in the synthesis of vat dyes.

isatin

/ ˈaɪsətɪn; ˈaɪsəˌtiːn /

noun

1. a yellowish-red crystalline compound soluble in hot water, used for the preparation of vat dyes. Formula: C 8 H 5 NO 2

Derived Forms

• ˌisaˈtinic, adjective

Word History and Origins

Origin of isatin¹

1835–45; < Greek isát ( is ) woad + -in ²

Word History and Origins

Origin of isatin¹

C19: from Latin isatis woad + -in

Example Sentences

It does not react with sodium or with phenylhydrazine, but yields dye-stuffs with isatin and phenanthrenequinone.

From Project Gutenberg