- Sudan Black B
ImageFile=Sudan Black B.png
Sudan Black B (C26H24N4O) is a
lysochrome(fat-soluble dye) diazo dyeused for staining of neutral triglyceridesand lipids on frozen sections and some lipoproteinson 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. It stains blue-black.
Sudan Black B is one of the dyes used for
Sudan staining.Similar dyes include Oil Red O, Sudan III, and Sudan IV.
Sudan Black B can be used to stain some other materials than the other Sudan dyes, as it is not so specific to lipids.
A use of Sudan Black B is in fingerprint enhancement. It is useful for detecting fats that are contaminated with oil and grease.
Its other names are Sudan Black, Fat Black HB, Solvent Black 3, and C.I. 26150.
* [http://stainsfile.info/StainsFile/dyes/26150.htm Stains File] entry
Wikimedia Foundation. 2010.