Methyl orange

C14H14N3NaO3SCAS 547-58-0327.33 g/mol

NNNSO−OONa+
AzoSulfonic acidTertiary amine

Properties

Molecular formula
C14H14N3NaO3S
Molar mass
327.33 g/mol
Exact mass
327.0654 Da
Density
1.47 g/mL
Melting point
above 300 °C
logP
3.03Crippen estimate
Polar surface area
82.3 Ų
H-bond donors / acceptors
1 / 5
Rotatable bonds
4

Identifiers

CAS number
547-58-0
SMILES
CN(C)c1ccc(N=Nc2ccc(S([O-])(=O)=O)cc2)cc1.[Na+]
InChIKey
LOJHDGOZROMANL-UHFFFAOYSA-N
InChI
InChI=1S/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

24 names · show all
  • Benzenesulfonic acid, 4-[2-[4-(dimethylamino)phenyl]diazenyl]-, sodium salt (1:1)
  • Orange III
  • Benzenesulfonic acid, p-[[p-(dimethylamino)phenyl]azo]-, sodium salt
  • Benzenesulfonic acid, 4-[[4-(dimethylamino)phenyl]azo]-, sodium salt
  • C.I. 13025
  • Eniamethyl orange
  • Gold orange
  • Helianthine B
  • KCA methyl orange
  • Methyl orange B
  • Sodium p-dimethylaminoazobenzenesulfonate
  • Tropaeolin D
  • C.I. Acid orange 52
  • Helianthine
  • Diazoben
  • Sodium 4′-(dimethylamino)azobenzene-4-sulfonate
  • Orange 3
  • Sodium 4-(dimethylamino)azobenzene-4′-sulfonate
  • 4-Dimethylaminoazobenzene-4′-sulfonic acid sodium salt
  • Sodium 4-[4-(dimethylamino)phenylazo]benzenesulfonate
  • Sodium p-[[p-(dimethylamino)phenyl]azo]benzenesulfonate
  • Acid orange 52
  • Albion methyl orange
  • Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulfonate

Work with Methyl orange

Similar compounds

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

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