CHEBI:87186 - Biebrich scarlet

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ChEBI Name Biebrich scarlet
ChEBI ID CHEBI:87186
Definition An organic sodium salt having 2-[(2-hydroxynaphthalen-1-yl)diazenyl]-5-[(4-sulfonatophenyl)diazenyl]benzene-1-sulfonate as the counterion. Used as a plasma stain in Masson's trichrome.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C22H14N4Na2O7S2
Net Charge 0
Average Mass 556.47900
Monoisotopic Mass 556.00993
InChI InChI=1S/C22H16N4O7S2.2Na/c27-20-12-5-14-3-1-2-4-18(14)22(20)26-25-19-11-8-16(13-21(19)35(31,32)33)24-23-15-6-9-17(10-7-15)34(28,29)30;;/h1-13,27H,(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2
InChIKey VVAVKBBTPWYADW-UHFFFAOYSA-L
SMILES [Na+].[Na+].Oc1ccc2ccccc2c1N=Nc1ccc(cc1S([O-])(=O)=O)N=Nc1ccc(cc1)S([O-])(=O)=O
Roles Classification
Application(s): histological dye
A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
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ChEBI Ontology
Outgoing Biebrich scarlet (CHEBI:87186) has part Biebrich scarlet(2−) (CHEBI:87188)
Biebrich scarlet (CHEBI:87186) has role histological dye (CHEBI:77178)
Biebrich scarlet (CHEBI:87186) is a organic sodium salt (CHEBI:38700)
IUPAC Name
disodium 2-[(2-hydroxynaphthalen-1-yl)diazenyl]-5-[(4-sulfonatophenyl)diazenyl]benzene-1-sulfonate
Synonyms Sources
acid red 66 ChEBI
Acid Scarlet BA ChemIDplus
Amacid Chrome Red 3B ChemIDplus
C.I. 26905 ChEBI
C.I. Acid Red 66 ChemIDplus
C.I. Acid Red 66, disodium salt ChemIDplus
Calcochrome Red 650 ChemIDplus
Croceine scarlet ChEBI
Fast Scarlet BA ChemIDplus
Fenazo Scarlet B ChemIDplus
Imperial Scarlet 3B ChemIDplus
Imperial Scarlet 3BN ChemIDplus
Naphthazine Scarlet BI ChemIDplus
ponceau B ChEBI
ponceau BS ChEBI
Scarlet 3B ChemIDplus
Scarlet Red Sulfonate NF ChemIDplus
Sodium 6-(2-hydroxynaphthylazo)-3,4'-azodibenzenesulphonate ChemIDplus
Wool Scarlet 5R ChemIDplus
Wool Scarlet BR ChemIDplus
Manual Xref Database
Biebrich_scarlet Wikipedia
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Registry Numbers Types Sources
3883900 Reaxys Registry Number Reaxys
4196-99-0 CAS Registry Number ChemIDplus
Last Modified
29 July 2015