Tags: Chemical Compound, Chemical Substance.

Sudan Black B (C29H24N6) is a 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. It has the appearance of a dark brown to black powder with maximum absorption at 596-605 nm and melting point 120–124 °C.

Sudan_Black_B.svg
IUPAC name
(22-dimethyl-13-dihydroperimidin-6-yl)-(4-phenylazo-1-naphthyl)diazene

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