Anthrapurpurin, or 1,2,7-trihdroxyanthraquinone, is a purple dye used in histology for the detection of calcium. ...
C14H8O5; 1,2,7-Trihydroxyanthraquinone;a purple dye used in histology as a reagent for calcium, although the specificity has been questioned. ... (05 Mar 2000) ... 
Type: Term Pronunciation: an′thră-pūr′pū-rin Definitions: 1. A purple dye used in histology as a reagent for calcium, although the specificity has been questioned.