C.I. Solvent Orange 7

C.I. Solvent Orange 7 structural formula

CAS Number3118-97-6
Molecular FormulaC18H16N2O
Molecular Weight276.339
InChI KeyJBTHDAVBDKKSRW-FMQUCBEESA-N
LogP4.67
Synonyms
  • C.I. Solvent Orange 7
  • 1-[(E)-(2,4-Dimethylphenyl)diazenyl]naphthalen-2-ol
  • 2-Naphthalenol, 1-[(E)-2-(2,4-dimethylphenyl)diazenyl]-
  • 3118-97-6
  • A F Red No. 5
  • A.F. Red No. 5
  • Aizen Food Red No. 5
  • Brasilazina Oil Scarlet 6G
  • Brilliant Oil Scarlet B
  • Calco Oil Scarlet BL
  • Ceres Orange RR
  • Cerisol Scarlet G
  • Cerotinscharlach G
  • Color Index No: 12140
  • 1-((2,4-Dimethylphenyl)azo)-2-naphthalenol
  • EINECS 221-490-4
  • Ext D & C Red No. 14
  • Ext D and C Red. No. 14
  • Extract D and C Red No. 14
  • Fast Oil Orange II
  • Fat Red
  • Fat Scarlet 2G
  • FD & C No. 32
  • FD and C Red No. 32
  • Fettorange B
  • Grasan Orange 3R
  • Japan Red 5
  • Japan Red 505
  • Lacquer Orange VR
  • Motirot G
  • NSC 10457
  • Oil Orange X
  • Oil Orange 2R
  • Oil Orange N Extra
  • Oil Orange KB
  • Oil Red GRO
  • Oil Red RO
  • Oil Red XO
  • Oil Scarlet L
  • Oil Scarlet Y
  • Oil Scarlet 371
  • Oil Scarlet 6G
  • Oil Scarlet APYO
  • Oil Scarlet BL
  • Oil Scarlet YS
  • Orange Insoluble RR
  • Orange oil KB
  • Ponceau insoluble olg
  • Pyronalrot R
  • Resin Scarlet 2R
  • Resoform Orange R
  • Rot GG fettloeslich
  • C.I.Solvent Orange 7
  • Solvent Orange 7
  • Somalia Orange A2R
  • Somalia Orange 2R
  • Sudan X
  • Sudan ax
  • Sudan II
  • Sudan Orange
  • Sudan Orange RPA
  • Sudan Orange RRA
  • Sudan Red
  • Sudan scarlet 6g
  • Waxakol vermilion
  • Waxakol vermilion L
  • 1-(o-Xylylazo)-2-naphthol
  • 1-(2,4-Xylylazo)-2-naphthol
  • Oranz rozpoustedlova 7
  • UNII-8C1M5O3ECT

Applications:

Separation of C.I. Solvent Orange 7 on Newcrom R1 HPLC column

February 16, 2018
Separation of C.I. Solvent Orange 7 on Newcrom C18 HPLC column

C.I. Solvent Orange 7 can be analyzed by this reverse phase (RP) HPLC method with simple conditions. The mobile phase contains an acetonitrile (MeCN), water, and phosphoric acid. For Mass-Spec (MS) compatible applications the phosphoric acid needs to be replaced with formic acid. Smaller 3 µm particles columns available for fast UPLC applications. This liquid chromatography method is scalable and can be used for isolation impurities in preparative separation. It also suitable for pharmacokinetics.

Application Column

Newcrom R1

The Newcrom columns are a family of reverse-phase-based columns. Newcrom A, AH, B, and BH are all mixed-mode columns with either positive or negative ion-pairing groups attached to either short (25 Å) or long (100 Å) ligand chains. Newcrom R1 is a special reverse-phase column with low silanol activity.

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Application Analytes:
C.I. Solvent Orange 7
The result was obtained by a proprietary SIELC algorithm. It may deviate from the actual experimental data. The experimental data are available upon request. Contact us by e-mail: support@sielc.com or by phone: 847-229-2629.