chrysoidine

American  

[kri-soh-i-din, -deen] / krɪˈsoʊ ɪ dɪn, -ˌdin /

noun

Chemistry.

1. a red-brown or greenish-black, crystalline solid, C 12 H 13 N 4 Cl, that yields orange colors in aqueous or alcohol solution: used chiefly in dyeing cotton and silk.

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Etymology

Origin of chrysoidine

1875–80; < Greek chrȳsoeid ( ḗs ) like gold ( chrȳs- chrys- + -oeidēs -oid ) + -ine ²

Example Sentences

Chrysoïdine is still used to a large extent, and the brown—now known as “Bismarck brown”—is one of the staple products of the colour manufacturer at the present time.

From Project Gutenberg

In 1877 Hofmann and Witt established the constitution of chrysoïdine, the final outcome of all this work being to show that the three colouring-matters belonged to the same group.

From Project Gutenberg

Chrysoïdine introduced, the third azo-colour.

From Project Gutenberg

Ten years later Caro and Witt discovered an orange colouring-matter belonging to the same class, and the latter introduced the compound into commerce as “chrysoïdine.”

From Project Gutenberg

Solutions of diazo-salts act not only upon amido- and diamido-compounds, as we have seen in the case of aniline yellow and chrysoïdine, but also upon phenols, forming acid azo-colours.

From Project Gutenberg