- Sudan Black B
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IUPACName=(2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenylazo-1-naphthyl)diazene
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Section1=Chembox Identifiers
CASNo=
PubChem=61336
SMILES=CC1(NC2=C3C(=C(C=C2)N=NC4=CC=C(C5=CC=CC=C54)N=NC6=CC=CC=C6)C=CC=C3N1)C
MeSHName=Sudan+Black+B
Section2=Chembox Properties
Formula=C29H24N6
MolarMass=456.54106
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Autoignition=Sudan Black B (C26H24N4O) is a
lysochrome (fat-soluble dye)diazo dye used for staining of neutraltriglycerides andlipid s on frozen sections and somelipoproteins 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. It stains blue-black.Sudan Black B is one of the dyes used for
Sudan stain ing.Similar dyes includeOil Red O ,Sudan III , andSudan 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.
External links
* [http://stainsfile.info/StainsFile/dyes/26150.htm Stains File] entry
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