The history and chemistry of the Murexide dye


There are four historical periods in the life of the purple murexide dye:
 

  When it was a chemical curiosity, made from boa constrictor excrement
1776-1820 
more
  other pages can be found here ...
  When the chemistry began to be understood 

1820-1840 
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  chemical equations for the synthesis of murexide from uric acid and a molecular model
  When industrial production began, based on guano

1840-1865 
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a recipe for the synthesis in French
  The decline and fall of murexide after 1865 
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an English translation of the recipe


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