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Sudan Black B

    Sudan Black B (CHNO) is a 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.
    Similar stains include Sudan III, Sudan IV, and Oil Red O.
    Its other names are Sudan Black, Fat Black HB, Solvent Black 3, and C.I. 26150.

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