ammonium purpurate
Murexide Mu*rex"ide, n. [L. murex the purple fish, purple.] (Chem.) A crystalline nitrogenous substance ({C8H8N6O6}, 5-5'-nitrilodibarbituric acid monoammonium salt) having a splendid dichroism, being green by reflected light and garnet-red by transmitted light. It was formerly used in dyeing calico, and was obtained in a large quantities from guano. It is now synthesized from alloxan. Formerly called also {ammonium purpurate}. [1913 Webster +PJC]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • ammonium purpurate — /perr pyeuhr it, pyeuh rayt /, Chem. murexide. [PURPUR(IC) + ATE2] * * * …   Universalium

  • ammonium purpurate — /perr pyeuhr it, pyeuh rayt /, Chem. murexide. [PURPUR(IC) + ATE2] …   Useful english dictionary

  • Murexide — IUPAC name Ammonium 2,6 dioxo 5 [(2,4,6 trioxo 5 hexahydropyrimidinylidene)amino] 3H pyrimidin 4 olate …   Wikipedia

  • murexide — noun Ammonium purpurate, the ammonium salt of purpuric acid, used as a complexometric indicator and a colorimetric reagent …   Wiktionary

  • C8H8N6O6 — Murexide Mu*rex ide, n. [L. murex the purple fish, purple.] (Chem.) A crystalline nitrogenous substance ({C8H8N6O6}, 5 5 nitrilodibarbituric acid monoammonium salt) having a splendid dichroism, being green by reflected light and garnet red by… …   The Collaborative International Dictionary of English

  • Murexide — Mu*rex ide, n. [L. murex the purple fish, purple.] (Chem.) A crystalline nitrogenous substance ({C8H8N6O6}, 5 5 nitrilodibarbituric acid monoammonium salt) having a splendid dichroism, being green by reflected light and garnet red by transmitted… …   The Collaborative International Dictionary of English

  • murexide — /myoo rek suyd, sid/, n. Chem. a reddish purple, crystalline, sparingly water soluble solid, C8H8N6O6, having a green luster, formerly used as a dye. Also called ammonium purpurate. [1830 40; MUREX + IDE] * * * …   Universalium

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