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murexide

[myoo-rek-sahyd, -sid]
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noun Chemistry.
  1. a reddish-purple, crystalline, sparingly water-soluble solid, C8H8N6O6, having a green luster, formerly used as a dye.
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Origin of murexide

First recorded in 1830–40; murex + -ide
Also called ammonium purpurate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for murexide

Historical Examples

  • When an alkaline solution of murexide is precipitated by an acid, a light shining powder results, called purpuric acid.

    Field's Chromatography

    George Field

  • Dissolved in water, the murexide derived from uric acid is a magnificent crimson.

  • Murexide is turned, by potassa, gray in its light shades and violet in its dark ones.

  • The third group includes safflower, magenta, and murexide (light shades).