Janus Green B is a basic dye and vital stain used in histology. It is also used to stain mitochondria supravitally, as was introduced by Leonor Michaelis in 1900.[2]
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IUPAC name
8-(4-Dimethylaminophenyl)diazenyl-N,N-diethyl-10-phenylphenazin-10-ium-2-amine chloride
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Other names
Diazin Green S
Union Green B | |||
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3D model (JSmol)
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ChEBI |
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ChemSpider |
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ECHA InfoCard | 100.018.814 | ||
EC Number |
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PubChem CID
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UNII |
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CompTox Dashboard (EPA)
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Properties | |||
C30H31ClN6 | |||
Molar mass | 511.06 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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Infobox references
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The indicator Janus Green B changes colour according to the amount of oxygen present.[3] When oxygen is present, the indicator oxidizes to a blue colour. In the absence of oxygen, the indicator is reduced and changes to a pink colour.
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