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CHEBI:9405 - tartrazine

ChEBI IDCHEBI:9405
ChEBI Nametartrazine
Stars
DefinitionAn organic sodium salt which is the trisodium salt of tartrazine acid. A synthetic lemon yellow azo dye used as a food colouring.
Last Modified22 February 2017
DownloadsMolfile
FormulaC16H9N4O9S2.3Na
Net Charge0
Average Mass534.371
Monoisotopic Mass533.95040
SMILESO=C([O-])C1=NN(c2ccc(S(=O)(=O)[O-])cc2)C(=O)C1/N=N/c1ccc(S(=O)(=O)[O-])cc1.[Na+].[Na+].[Na+]
InChIInChI=1S/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;
InChIKeyUJMBCXLDXJUMFB-GLCFPVLVSA-K
Wikipedia
Roles Classification
Biological Role:
food colouring  A food additive that imparts colour to food. In European countries, E-numbers for permitted food colours are from E 100 to E 199, divided into yellows (E 100-109), oranges (E 110-119), reds (E 120-129), blues and violets (E 130-139), greens (E 140-149), browns and blacks (E 150-159), and others (E 160-199).
Applications:
histological dye  A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
food colouring  A food additive that imparts colour to food. In European countries, E-numbers for permitted food colours are from E 100 to E 199, divided into yellows (E 100-109), oranges (E 110-119), reds (E 120-129), blues and violets (E 130-139), greens (E 140-149), browns and blacks (E 150-159), and others (E 160-199).
ChEBI Ontology
Outgoing Relation(s)
tartrazine (CHEBI:9405) has part tartrazine(3−) (CHEBI:68628)
tartrazine (CHEBI:9405) has role food colouring (CHEBI:77182)
tartrazine (CHEBI:9405) has role histological dye (CHEBI:77178)
tartrazine (CHEBI:9405) is a organic sodium salt (CHEBI:38700)
IUPAC Name 
trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-4,5-dihydro-1H-pyrazole-3-carboxylate
Synonyms  Source
TartrazineKEGG COMPOUND
4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylic acid, trisodium saltChemIDplus
Acid yellow 23ChemIDplus
CI 19140ChemIDplus
FD & C Yellow no. 5ChemIDplus
E102ChEBI
Manual XrefsDatabases
C07574KEGG COMPOUND
TartrazineWikipedia
Registry NumbersSources
Beilstein:906396Beilstein
Reaxys:11325279Reaxys
CAS:1934-21-0KEGG COMPOUND
CAS:1934-21-0ChemIDplus
Citations