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CHEBI:39077 - eosin b

ChEBI IDCHEBI:39077
ChEBI Nameeosin b
Stars
DefinitionAn organic sodium salt which is the disodium salt of eosin b diphenol.
Last Modified29 July 2015
Submitterhcourrier
DownloadsMolfile
FormulaC20H6Br2N2O9.2Na
Net Charge0
Average Mass624.061
Monoisotopic Mass621.82354
SMILESO=C1OC2(c3ccccc31)c1cc([N+](=O)[O-])c([O-])c(Br)c1Oc1c2cc([N+](=O)[O-])c([O-])c1Br.[Na+].[Na+]
InChIInChI=1S/C20H8Br2N2O9.2Na/c21-13-15(25)11(23(28)29)5-9-17(13)32-18-10(6-12(24(30)31)16(26)14(18)22)20(9)8-4-2-1-3-7(8)19(27)33-20;;/h1-6,25-26H;;/q;2*+1/p-2
InChIKeyQGAYMQGSQUXCQO-UHFFFAOYSA-L
Roles Classification
Applications:
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 Relation(s)
eosin b (CHEBI:39077) has part eosin b(2−) (CHEBI:68617)
eosin b (CHEBI:39077) has role fluorescent dye (CHEBI:51121)
eosin b (CHEBI:39077) has role histological dye (CHEBI:77178)
eosin b (CHEBI:39077) is a organic sodium salt (CHEBI:38700)
IUPAC Name 
disodium 4',5'-dibromo-2',7'-dinitro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
Synonyms  Source
2-(4,5-Dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium saltChemIDplus
SaffrosineChemIDplus
Dibromodinitrofluorescein sodiumChemIDplus
C.I. Acid Red 91ChemIDplus
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium saltChemIDplus
imperial redChEBI
Registry NumbersSources
CAS:548-24-3ChemIDplus