Methyl Orange

CAS Number 502-02-3
Molecular Formula C14H15N3O3S
Molecular Weight 305.350 g/mol
InChI Key IETWCRRCPURZOC-UHFFFAOYSA-N
LogP 1.75
Synonyms
  • 4-{[4-(Dimethylamino)phenyl]diazenyl}benzene-1-sulfonic acid
  • Benzenesulfonic acid, 4-[2-[4-(dimethylamino)phenyl]diazenyl]-
  • 502-02-3
  • Benzenesulfonic acid, 4-[[4-(dimethylamino)phenyl]azo]-
  • Benzenesulfonic acid, 4-[2-[4-(dimethylamino)phenyl]diazenyl]-
  • Benzenesulfonic acid, p-[[p-(dimethylamino)phenyl]azo]-
  • 4-[2-[4-(Dimethylamino)phenyl]diazenyl]benzenesulfonic acid
  • 4-(Dimethylamino)-4'-sulfoazobenzene
  • Methyl orange (acid form)
  • p-[[p-(Dimethylamino)phenyl]azo]benzenesulfonic acid
  • Acide 4-[[4-(dimethylamino)phenyl]azo]benzenesulfonique
  • 4-[[4-(dimethylamino)phenyl]azo]benzenesulphonic acid
  • 4-[[4-(Dimethylamino)phenyl]azo]benzolsulfonsaure
  • acido 4-[[4-(dimetilamino)fenil]azo]bencenosulfonico
  • p-((p-(Dimethylamino)phenyl)azo)benzenesulfonic acid
  • EINECS 207-932-9
  • NSC 9595
  • 4'-Sulfo-N,N-dimethyl-4-aminoazobenzene
  • 4-(4-Dimethylaminophenylazo)benzenesulfonic acid
  • 4-(Dimethylamino)azobenzene-4'-sulfonic acid
  • 4-(4-Sulfophenylazo)-N,N-dimethylaniline

Applications:


HPLC Dye Separation on SHARC1 Column
 

Condition

Column Sharc 1, 3.2x100 mm, 3 µm, 100A
Mobile Phase MeCN/EtOH - 99/1%
Buffer H2SO4 - 0.5%
Flow Rate 1.5 ml/min
Detection UV, 500, 650 nm
 

Description

Class of Compounds Dye, Hydrophilic, Ionizable
Analyzing Compounds Methyl Red, Methyl Orange, Methylene Blue, Nile Blue A
 

Application Analytes:

Methyl Orange
Methyl Red
Methylene Blue
Nile Blue A