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Sudan Black B (For Biological Stains and Dyes)

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For Research Use Only | Not For Clinical Use
CATAPB4197255
CAS4197-25-5
Structure
SynonymsCeres black BN; Fat Black HB; Solvent Black 3
Molecular Weight456.54
Molecular FormulaC29H24N6
DescriptionIt is nonfluorescent, relatively thermostable lysochrome (fat-soluble dye) diazo dye used for staining of neutral triglycerides and lipids on frozen sections and some lipoproteins on paraffin sections.
Melting Point120-124 °C (lit.)
AppearanceDark brown to very dark brown and black powder
Absorption Wavelengthλmax 596-605 nm (in 95% ethanol)
Color Index26150
GradeFor microscopy
Loss On DryingMax. 5.0% (at 50 °C/0.05 mmHg)
UsesUsed to stain phospholipids and intracellular lipids. Staining pattern is almost similar to myeloperoxidase reaction, with positive staining of granulocytic cells, eosinophils and weak monocytic staining.It doesn't stain lymphocytes.
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