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| Sudan Black B | |
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| IUPAC name | (2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenylazo-1-naphthyl)diazene |
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| Properties | |
| Molecular formula | C29H24N6 |
| Molar mass | 456.54106 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references |
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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 CAS number is and its SMILES structure is CC(N6)(C)NC1=CC=C (N=NC3=C(C=CC=C5) C5=C(N=NC4=CC=CC=C4) C=C3)C2=C1C6=CC=C2.
Its other names are Sudan Black, Fat Black HB, Solvent Black 3, and C.I. 26150.
External links
- Stains File entry
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Wikipedia content modification information:
- This page was last modified on 9 October 2008, at 18:36.
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