Sudan Black B

Sudan Black B

chembox new
ImageFile=Sudan Black B.pngImageSize=
IUPACName=(2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenylazo-1-naphthyl)diazene
OtherNames=
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
Appearance=
Density=
MeltingPt=
BoilingPt=
Solubility=
Section3=Chembox Hazards
MainHazards=
FlashPt=
Autoignition=

Sudan Black B (C26H24N4O) 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. 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.

External links

* [http://stainsfile.info/StainsFile/dyes/26150.htm Stains File] entry


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