Murexide

Murexide (NH4C8H4N5O6, or C8H5N5O6·NH3), also called ammonium purpurate or MX, is the ammonium salt of purpuric acid. It may be prepared by heating alloxantin in ammonia gas to 100 °C, or by boiling uramil (5-aminobarbituric acid) with mercury oxide. W.N. Hartley found considerable difficulty in obtaining specimens of murexide sufficiently pure ...
Found on http://en.wikipedia.org/wiki/Murexide

Murexide

• (n.) A crystalline nitrogenous substance 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. Formerly called also ammonium purpurate.
Found on http://thinkexist.com/dictionary/meaning/murexide/

murexide

<chemistry> A crystalline nitrogenous substance 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. Formerly ... Synonym: ammonium purpurate. ... Origin: L. Murex the purple fish, purple. ... Source: Websters ...
Found on http://www.encyclo.co.uk/local/20973

Murexide

Mu·rex'ide noun [ Latin murex the purple fish, purple.] (Chemistry) A crystalline nitrogenous substance 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. ...
Found on http://www.encyclo.co.uk/webster/M/117

murexide

Type: Term Pronunciation: mū-rek′sīd, -sid Definitions: 1. The ammonium salt of purpuric acid, formerly used as a dye but superseded by the aniline colors.
Found on http://www.medilexicon.com/medicaldictionary.php?t=56483
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