CHEBI:82427 - orange G

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ChEBI Name orange G
ChEBI ID CHEBI:82427
Definition An organic sodium salt that is the disodium salt of 7-hydroxy-8-[(E)-phenyldiazenyl]naphthalene-1,3-disulfonic acid. It is often combined with other yellow dyes in alcoholic solution to stain erythrocytes in trichrome methods, and is used for demonstrating cells in the pancreas and pituitary.
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Formula C16H10N2Na2O7S2
Net Charge 0
Average Mass 452.36900
Monoisotopic Mass 451.97248
InChI InChI=1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23,24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;
InChIKey HSXUHWZMNJHFRV-QIKYXUGXSA-L
SMILES [Na+].[Na+].Oc1ccc2cc(cc(c2c1\N=N\c1ccccc1)S([O-])(=O)=O)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 orange G (CHEBI:82427) has part 7-hydroxy-8-[(E)-phenyldiazenyl]naphthalene-1,3-disulfonate (CHEBI:87093)
orange G (CHEBI:82427) has role histological dye (CHEBI:77178)
orange G (CHEBI:82427) is a organic sodium salt (CHEBI:38700)
IUPAC Name
disodium 7-hydroxy-8-[(E)-phenyldiazenyl]naphthalene-1,3-disulfonate
Synonyms Sources
acid orange 10 ChEBI
C.I. 16230 ChEBI
C.I. Acid Orange 10 ChemIDplus
C.I. Acid Orange 10, disodium salt ChemIDplus
C.I. Acid Orange No. 10 ChemIDplus
C.I. Food Orange 4 ChemIDplus
Manual Xrefs Databases
C19372 KEGG COMPOUND
Orange_G Wikipedia
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Registry Numbers Types Sources
1936-15-8 CAS Registry Number KEGG COMPOUND
1936-15-8 CAS Registry Number ChemIDplus
7457792 Reaxys Registry Number Reaxys
Citations Waiting for Citations Types Sources
25132495 PubMed citation Europe PMC
25935699 PubMed citation Europe PMC
Last Modified
23 July 2015