Methyl red

C15H15N3O2CAS 493-52-7269.30 g/mol

NNNOOH
AzoCarboxylic acidTertiary amine

Properties

Molecular formula
C15H15N3O2
Molar mass
269.30 g/mol
Exact mass
269.1164 Da
Density
1.31 g/mL
Melting point
181–182 °C
logP
3.87Crippen estimate
Polar surface area
65.3 Ų
H-bond donors / acceptors
1 / 4
Rotatable bonds
4

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless. Search the SDS library

Identifiers

CAS number
493-52-7
SMILES
CN(C)c1ccc(N=Nc2ccccc2C(=O)O)cc1
InChIKey
CEQFOVLGLXCDCX-UHFFFAOYSA-N
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)

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Names and synonyms

22 names · show all
  • Benzoic acid, 2-[2-[4-(dimethylamino)phenyl]diazenyl]-
  • C.I. Acid red 2
  • Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]-
  • 2-[2-[4-(Dimethylamino)phenyl]diazenyl]benzoic acid
  • p-(Dimethylamino)azobenzene-o-carboxylic acid
  • 2-Carboxy-4′-(dimethylamino)azobenzene
  • o-[[p-(Dimethylamino)phenyl]azo]benzoic acid
  • o-Methyl red
  • 4′-(Dimethylamino)azobenzene-2-carboxylic acid
  • 2-[(p-Dimethylamino)phenyl]azobenzoic acid
  • C.I. 13020
  • Acid red 2
  • 4-(2-Carboxyphenylazo)-N,N-dimethylaniline
  • Methyl red C.I. 13020
  • 2-[[4-(Dimethylamino)phenyl]azo]benzoic acid
  • NSC 215212
  • NSC 34729
  • NSC 9597
  • 4-(Dimethylamino)azobenzene-2′-carboxylic acid
  • 2-(N,N-Dimethyl-4-aminophenyl)azobenzenecarboxylic acid
  • 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic acid
  • 2-((4-(Dimethylamino)phenyl)diazenyl)benzoic acid

Reactions

Work with Methyl red

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere