Record Information
Version1.0
Creation Date2014-09-11 05:22:40 UTC
Update Date2026-04-03 08:53:30 UTC
Accession NumberCHEM003879
Identification
Common NameC.I. Food Red 1
ClassSmall Molecule
DescriptionColourant ormerly used in foodstuffs.
Contaminant Sources
  • EAFUS Chemicals
  • FooDB Chemicals
  • HPV EPA Chemicals
  • IARC Carcinogens Group 3
  • T3DB toxins
  • ToxCast & Tox21 Chemicals
Contaminant Type
  • Food Additive
  • Food Toxin
  • Household Toxin
  • Metabolite
  • Organic Compound
  • Synthetic Compound
Chemical Structure
Thumb
Synonyms
ValueSource
3-[(2,4-Dimethyl-5-sulfophenyl)azo]-4-hydroxy-1-naphthalenesulfonic acid, 9ciHMDB
C.I. 14700HMDB
FD And C red no. 4HMDB
Ponceau red SXHMDB
Ponceau SXHMDB
3-[(e)-2-(2,4-Dimethyl-5-sulfophenyl)diazen-1-yl]-4-hydroxynaphthalene-1-sulfonateGenerator
3-[(e)-2-(2,4-Dimethyl-5-sulphophenyl)diazen-1-yl]-4-hydroxynaphthalene-1-sulphonateGenerator
3-[(e)-2-(2,4-Dimethyl-5-sulphophenyl)diazen-1-yl]-4-hydroxynaphthalene-1-sulphonic acidGenerator
Chemical FormulaC18H16N2O7S2
Average Molecular Mass436.459 g/mol
Monoisotopic Mass436.040 g/mol
CAS Registry Number4548-53-2
IUPAC Name3-[(E)-2-(2,4-dimethyl-5-sulfophenyl)diazen-1-yl]-4-hydroxynaphthalene-1-sulfonic acid
Traditional Name3-[(E)-2-(2,4-dimethyl-5-sulfophenyl)diazen-1-yl]-4-hydroxynaphthalene-1-sulfonic acid
SMILESCC1=CC(C)=C(C=C1\N=N\C1=C(O)C2=CC=CC=C2C(=C1)S(O)(=O)=O)S(O)(=O)=O
InChI IdentifierInChI=1S/C18H16N2O7S2/c1-10-7-11(2)16(28(22,23)24)8-14(10)19-20-15-9-17(29(25,26)27)12-5-3-4-6-13(12)18(15)21/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27)/b20-19+
InChI KeyDZCOAQKTFAIFRV-FMQUCBEESA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as 1-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
KingdomOrganic compounds
Super ClassBenzenoids
ClassNaphthalenes
Sub ClassNaphthalene sulfonic acids and derivatives
Direct Parent1-naphthalene sulfonates
Alternative Parents
Substituents
  • 1-naphthalene sulfonic acid or derivatives
  • 1-naphthalene sulfonate
  • P-methylbenzenesulfonate
  • 1-naphthol
  • Benzenesulfonate
  • Arylsulfonic acid or derivatives
  • 1-sulfo,2-unsubstituted aromatic compound
  • Benzenesulfonyl group
  • Xylene
  • M-xylene
  • Monocyclic benzene moiety
  • Sulfonyl
  • Organosulfonic acid
  • Organosulfonic acid or derivatives
  • Organic sulfonic acid or derivatives
  • Azo compound
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Aromatic homopolycyclic compound
Molecular FrameworkAromatic homopolycyclic compounds
External DescriptorsNot Available
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Cytoplasm
  • Extracellular
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.02 g/LALOGPS
logP-0.38ALOGPS
logP0.5ChemAxon
logS-4.3ALOGPS
pKa (Strongest Acidic)-3.1ChemAxon
pKa (Strongest Basic)-0.027ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count9ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area153.69 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity110.14 m³·mol⁻¹ChemAxon
Polarizability42.37 ųChemAxon
Number of Rings3ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-1000-1965100000-6ea7b90ee67a8ec64c51Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-01dm-5972700000-271d5985f631b7b2d71eSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-000i-0021900000-2782adde4275eb5124f6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4r-0359600000-c35ff57eb1c359c0b056Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0fb9-3493000000-1a9d9c571a9edf9f6077Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-000i-0221900000-0265e02697854cc3b339Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-052s-2935500000-26df43782db20d873162Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-067s-2930000000-60d2a0b4ed8f5b68920aSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-000i-0000900000-f47089757c504da393f4Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0019-2001900000-fb140f37a690b0d1461bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-001i-9272100000-cacfc6b7a7a445b00793Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-000i-0000900000-1a904ebffdf2511447a0Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-052r-0139500000-871b63c442046af4b87bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00di-2392000000-aee2dde4034c063ac0aaSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)3, not classifiable as to its carcinogenicity to humans. (1)
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDHMDB0033383
FooDB IDFDB011413
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkNot Available
Chemspider ID11606096
ChEBI IDNot Available
PubChem Compound IDNot Available
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.