FD&C Red 4

FD&C Red 4 structural formula

CAS Number4548-53-2
Molecular FormulaC18H14N2Na2O7S2
Molecular Weight480.421
InChI KeyONTQJDKFANPPKK-UHFFFAOYSA-L
LogP1.03
Synonyms
  • FD&C Red 4
  • Disodium 3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate
  • 1-Naphthalenesulfonic acid, 3-[2-(2,4-dimethyl-5-sulfophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)
  • 4548-53-2
  • C.I. Food Red 1
  • Ponceau SX
  • 1-Naphthalenesulfonic acid, 3-[(2,4-dimethyl-5-sulfophenyl)azo]-4-hydroxy-, disodium salt
  • 1-NAPHTHALENESULFONIC ACID, 3-[(2,4-DIMETHYL-5- SULFOPHENYL)AZO]-4-HYDROXY-, DISODIUM SALT
  • 1-Naphthalenesulfonic acid, 3-[2-(2,4-dimethyl-5-sulfophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)
  • 1-Napthalenesulfonic acid, 3-[(2,4-dimethyl-5-sulfophenyl)azo]-4-hydroxy-, disodium salt
  • 3-[(2,4-Dimethyl-5-sulfonatophenyl)azo]-4-hydroxynaphtalene-1-sulfonate de disodium
  • 3-[(2,4-Dimethyl-5-sulfophenyl)azo]-4-hydroxy-1-naphthalene sufonic acid, disodium salt
  • 3-[(2,4-dimetil-5-sulfonatofenil)azo]-4-hidroxinaftaleno-1-sulfonato de disodio
  • C.I. Food Red 1, disodium salt
  • C.I. FOOD RED 1, NAPHTHALENE-1-SULFONATE, 3-[(2,4-DIMETHYL-5-SULFOPHENYL)AZO]-4-HYDROXY-, DISODIUM
  • Certicol Ponceau SXS
  • D and C Red No. 4
  • Dinatrium-3-[(2,4-dimethyl-5-sulfonatophenyl)azo]-4-hydroxynaphthalin-1-sulfonat
  • DISODIUM 3-[(2,4-DIMETHYL-5-SULFONATOPHENYL)AZO]-4HYDROXYNAPHTHALENE-1-SULFONATE
  • disodium 3-[(2,4-dimethyl-5-sulphonatophenyl)azo]-4-hydroxynaphthalene-1-sulphonate
  • Edicol Supra Ponceau SX
  • FD & C RED NO.4
  • FD AND C RED NO. 4
  • FD&C Red No. 4
  • Hexacol Ponceau SX
  • Red No. 504
  • Usacert Red No. 4
  • D&C Red No. 4
  • 3-((2,4-Dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfonic acid, disodium salt
  • 3-((2,4-Dimethyl-5-sulphophenyl)azo)-4-hydroxy-1-naphthalenesulphonic acid, disodium salt
  • Disodium 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfonate
  • Disodium 2-(5-sulfo-2,4-xylylazo)-1-naphthol-4-sulfonate
  • Dye FD & C Red No. 4
  • Dye FD and C Red No. 4
  • EINECS 224-909-9
  • Ext. D&C Red No. 24
  • FD & C Red No. 4
  • FD&C Red No. 4 - Aluminium Lake
  • 4-Hydroxy-3-((5-sulfo-2,4-xylyl)azo)-1-naphthalenesulfonic acid, disodium salt
  • 4-Hydroxy-3-((5-sulpho-2,4-xylyl)azo)-1-naphthalenesulphonic acid, disodium salt
  • Maple Ponceau SX
  • Ponceau SX Lake
  • Red Lake 89865N
  • Red shade #24
  • 2-(6-Sulfo-2,4-xylylazo)-1-naphthol-4-sulfonic acid, disodium salt
  • 2-(6-Sulpho-2,4-xylylazo)-1-naphthol-4-sulphonic acid, disodium salt
  • Usacert FD & C Red No. 4
  • Cerven potravinarska 1
  • UNII-X3W0AM1JLX

Applications:

Separation of FD&C Red 4 on Newcrom R1 HPLC column

February 16, 2018
Separation of FD&C Red 4 on Newcrom C18 HPLC column

FD&C Red 4 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:
FD&C Red 4
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.