CHEBI:87649 - methyl green

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ChEBI Name methyl green
Definition An iminium salt composed of (4-{[4-(dimethylamino)phenyl][4-(trimethylazaniumyl)phenyl]methylidene}cyclohexa-2,5-dien-1-ylidene)(dimethyl)ammonium and chloride ions in a 1:2 ratio. A histological dye used to demonstrate nucleic acids by the Unna-Pappenheim stain, in conjunction with Pyronin Y.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula C26H33Cl2N3
Net Charge 0
Average Mass 458.46600
Monoisotopic Mass 457.20515
InChI InChI=1S/C26H33N3.2ClH/c1-27(2)23-14-8-20(9-15-23)26(21-10-16-24(17-11-21)28(3)4)22-12-18-25(19-13-22)29(5,6)7;;/h8-19H,1-7H3;2*1H/q+2;;/p-2
SMILES [Cl-].[Cl-].CN(C)c1ccc(cc1)C(=C1C=CC(C=C1)=[N+](C)C)c1ccc(cc1)[N+](C)(C)C
Roles Classification
Application(s): fluorochrome
A fluorescent dye used to stain biological specimens.
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.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing methyl green (CHEBI:87649) has part methyl green(2+) (CHEBI:87650)
methyl green (CHEBI:87649) has role fluorochrome (CHEBI:51217)
methyl green (CHEBI:87649) has role histological dye (CHEBI:77178)
methyl green (CHEBI:87649) is a iminium salt (CHEBI:35277)
methyl green (CHEBI:87649) is a organic chloride salt (CHEBI:36094)
methyl green (CHEBI:87649) is a quaternary ammonium salt (CHEBI:35273)
(4-{[4-(dimethylamino)phenyl][4-(trimethylazaniumyl)phenyl]methylidene}cyclohexa-2,5-dien-1-ylidene)(dimethyl)ammonium dichloride
Synonyms Sources
4-((4-(Dimethylamino)phenyl)(4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene)methyl)-N,N,N-trimethylanilinium dichloride ChemIDplus
basic blue 20 ChEBI
C.I. 42585 ChEBI
C.I. Basic Blue 20 ChemIDplus
C.I. Basic Violet 3, compd. with chloromethane (1:1) ChemIDplus
Double green ChemIDplus
light green ChEBI
Methyl green chloride ChemIDplus
Registry Numbers Types Sources
5208063 Reaxys Registry Number Reaxys
82-94-0 CAS Registry Number ChemIDplus
Citations Waiting for Citations Types Sources
24867495 PubMed citation Europe PMC
25539051 PubMed citation Europe PMC
25698861 PubMed citation Europe PMC
25993383 PubMed citation Europe PMC
26249953 PubMed citation Europe PMC
Last Modified
25 August 2015