naphthol yellow S (CHEBI:87219)

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ChEBI Name	naphthol yellow S

ChEBI ID	CHEBI:87219

Definition	An organic sodium salt that is the disodium salt of 5,7-dinitro-8-hydroxynaphthalene-2-sulfonic acid.

Stars	This entity has been manually annotated by the ChEBI Team.

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Formula

C10H4N2Na2O8S

Net Charge

Average Mass

358.19200

Monoisotopic Mass

357.94837

InChI

InChI=1S/C10H6N2O8S.2Na/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;/q;2*+1/p-2

InChIKey

CTIQLGJVGNGFEW-UHFFFAOYSA-L

SMILES

[Na+].[Na+].[O-]c1c(cc([N+]([O-])=O)c2ccc(cc12)S([O-])(=O)=O)[N+]([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.

ChEBI Ontology
Outgoing	naphthol yellow S (CHEBI:87219) has part flavianate (CHEBI:87220) naphthol yellow S (CHEBI:87219) has role histological dye (CHEBI:77178) naphthol yellow S (CHEBI:87219) is a organic sodium salt (CHEBI:38700)

IUPAC Name

disodium 5,7-dinitro-8-oxidonaphthalene-2-sulfonate

Synonyms	Sources
2,4-Dinitro-1-naphthol-7-sulfonic acid, disodium salt	ChemIDplus
acid yellow 1	ChEBI
acid yellow S	ChEBI
C.I. 10316	ChEBI
C.I. Acid Yellow 1	ChemIDplus
C.I. Food Yellow 1	ChemIDplus
Ext. D & C yellow no. 7	ChemIDplus
sulfur yellow S	ChEBI

Last Modified

30 July 2015