Azure A
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Names | |
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IUPAC name N',N'-dimethylphenothiazin-5-ium-3,7-diamine chloride | |
Other names asym-Dimethylthionine Chloride; Methylene Azure A | |
Identifiers | |
3D model (JSmol) | |
3922287 | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.007.738 |
PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C14H14ClN3S | |
Appearance | green to dark brown powder |
Density | 1.776 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Azure A is an organic compound with the chemical formula C14H14ClN3S. It is a light blue to dark blue dye. It is used as a screening test for mucopolysaccharides. It can also be used to stain lysosome in blood smears, and is often used in Giemsa stain.