CHEBI:49770 - methyl red

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ChEBI Name methyl red
Definition An azo dye consisting of benzoic acid substituted at position 2 by a 4-[(dimethylamino)phenyl]diazenyl group.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C15H15N3O2
Net Charge 0
Average Mass 269.29850
Monoisotopic Mass 269.11643
InChI InChI=1S/C15H15N3O2/c1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20/h3-10H,1-2H3,(H,19,20)/b17-16+
SMILES CN(C)c1ccc(cc1)\N=N\c1ccccc1C(O)=O
Roles Classification
Chemical Role(s): Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
Bronsted base
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
Application(s): dye

View more via ChEBI Ontology
ChEBI Ontology
Outgoing methyl red (CHEBI:49770) has role dye (CHEBI:37958)
methyl red (CHEBI:49770) is a azobenzenes (CHEBI:22682)
methyl red (CHEBI:49770) is a monocarboxylic acid (CHEBI:25384)
methyl red (CHEBI:49770) is a tertiary amino compound (CHEBI:50996)
methyl red (CHEBI:49770) is conjugate acid of methyl red(1−) (CHEBI:71579)
Incoming methyl red(1−) (CHEBI:71579) is conjugate base of methyl red (CHEBI:49770)
2-{[4-(dimethylamino)phenyl]diazenyl}benzoic acid
Synonyms Sources
2-((4-Dimethylamino)phenylazo)benzoic acid ChemIDplus
2-[(p-Dimethylamino)phenyl]azobenzoic acid NIST Chemistry WebBook
2-Carboxy-4'-(dimethylamino)azobenzene ChemIDplus
4'-(Dimethylamino)azobenzene-2-carboxylic acid NIST Chemistry WebBook
4'-Dimethylaminoazobenzene-2-carboxylic acid ChemIDplus
4-Dimethylamino-2'-carboxylazobenzene ChemIDplus
C.I. Acid Red 2 NIST Chemistry WebBook
o-((p-(Dimethylamino)phenyl)azo)benzoic acid ChemIDplus
o-Methyl red ChEBI
o-Methyl red KEGG COMPOUND
p-(Dimethylamino)azobenzene-o-carboxylic acid ChemIDplus
Manual Xrefs Databases
CPD0-1147 MetaCyc
Methyl_red Wikipedia
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Registry Numbers Types Sources
493-52-7 CAS Registry Number KEGG COMPOUND
493-52-7 CAS Registry Number NIST Chemistry WebBook
493-52-7 CAS Registry Number ChemIDplus
750102 Reaxys Registry Number Reaxys
Citation Waiting for Citations Type Source
21929853 PubMed citation Europe PMC
Last Modified
28 July 2014