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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 17:32:09 UTC
Update Date2022-03-07 02:52:15 UTC
HMDB IDHMDB0029702
Secondary Accession Numbers
  • HMDB29702
Metabolite Identification
Common NameErythrosine
DescriptionErythrosine is a dye used in food and feed additives. Prohibited in U.S.A. and Norway Erythrosine is a cherry-pink synthetic fluorone food coloring. It is the disodium salt of 2,4,5,7-tetraiodofluorescein. Its maximum absorbance is at 530 nm in an aqueous solution, and it is subject to photodegradation.[citation needed]; It is used as a food coloring, in printing inks, as a biological stain, a dental plaque disclosing agent and a radiopaque medium. It is commonly used in sweets and foods marketed to children such as cake icing and cake-decorating gels. It is also used to color pistachio shells. While commonly used in most countries of the world, erythrosine is rarely used in the United States due to its known hazards, with Allura Red AC (Red #40) being generally used instead. However, Allura Red AC is banned in many European countries because it is an azo dye, despite the fact that it has fewer known health risks than Erythrosine
Structure
Data?1593030637
Synonyms
Chemical FormulaC20H8I4O5
Average Molecular Weight835.8924
Monoisotopic Molecular Weight835.655047046
IUPAC Name3',6'-dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthene]-3-one
Traditional Nameerythrosine
CAS Registry Number15905-32-5
SMILES
OC1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C(O)C(I)=C1O2
InChI Identifier
InChI=1S/C20H8I4O5/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20/h1-6,25-26H
InChI KeyOALHHIHQOFIMEF-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as xanthenes. These are polycyclic aromatic compounds containing a xanthene moiety, which consists of two benzene rings joined to each other by a pyran ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzopyrans
Sub Class1-benzopyrans
Direct ParentXanthenes
Alternative Parents
Substituents
  • Xanthene
  • Diaryl ether
  • Isobenzofuranone
  • Benzofuranone
  • Phthalide
  • Isocoumaran
  • Isobenzofuran
  • 2-iodophenol
  • Benzenoid
  • Aryl halide
  • Aryl iodide
  • Carboxylic acid ester
  • Lactone
  • Oxacycle
  • Carboxylic acid derivative
  • Ether
  • Monocarboxylic acid or derivatives
  • Organic oxygen compound
  • Organohalogen compound
  • Organoiodide
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point303 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility0.7 mg/mLNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Membrane (predicted from logP)
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB000892
KNApSAcK IDNot Available
Chemspider ID3144
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkErythrosine
METLIN IDNot Available
PubChem Compound3259
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Costa AC, Chibebe Junior J, Pereira CA, Machado AK, Beltrame Junior M, Junqueira JC, Jorge AO: Susceptibility of planktonic cultures of Streptococcus mutans to photodynamic therapy with a light-emitting diode. Braz Oral Res. 2010 Oct-Dec;24(4):413-8. [PubMed:21180961 ]
  2. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .