Nile blue
Chemical compound / From Wikipedia, the free encyclopedia
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Nile blue (or Nile blue A) is a stain used in biology and histology. It may be used with live or fixed cells, and imparts a blue colour to cell nuclei.
Quick Facts Names, Identifiers ...
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IUPAC name
[9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium sulfate | |
Other names
Nile blue A, Nile blue sulfate | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.020.757 |
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UNII | |
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Properties | |
C20H20ClN3O | |
Molar mass | 353.845 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It may also be used in conjunction with fluorescence microscopy to stain for the presence of polyhydroxybutyrate granules in prokaryotic or eukaryotic cells. Boiling a solution of Nile blue with sulfuric acid produces Nile red (Nile blue oxazone).