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Substance Name: Tartrazine, 3-ethyl ester
RN: 6359-65-5
UNII: 204VAH487B
InChIKey: FNNCFUNDUBUPBG-LLIZZRELSA-L

Molecular Formula

  • C18-H14-N4-O9-S2.2Na

Molecular Weight

  • 540.4396
 
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Names and Synonyms

Name of Substance

  • Tartrazine, 3-ethyl ester

Synonyms

  • 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-, 3-ethyl ester, disodium salt
  • 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-(2-(4-sulfophenyl)diazenyl)-, 3-ethyl ester, sodium salt (1:2)
  • 2-Pyrazoline-3-carboxylic acid, 5-oxo-1-(p-sulfophenyl)-4-((p-sulfophenyl)azo)-, 3-ethyl ester, disodium salt
  • C.I. 19205
  • C.i. acid Yellow 23, 3-ethyl ester, disodium salt
  • Tartrazine, 3-ethyl ester
  • UNII-204VAH487B

Registry Numbers

CAS Registry Number

  • 6359-65-5

FDA UNII

  • 204VAH487B

System Generated Number

  • 0006359655

Structure Descriptors

InChI

1S/C18H16N4O9S2.2Na/c1-2-31-18(24)16-15(20-19-11-3-7-13(8-4-11)32(25,26)27)17(23)22(21-16)12-5-9-14(10-6-12)33(28,29)30;;/h3-10,23H,2H2,1H3,(H,25,26,27)(H,28,29,30);;/q;2*+1/p-2/b20-19+;;

InChIKey

FNNCFUNDUBUPBG-LLIZZRELSA-L

Smiles

CCOC(=O)c1c(c(n(n1)c2ccc(cc2)S(=O)(=O)[O-])O)/N=N/c3ccc(cc3)S(=O)(=O)[O-].[Na+].[Na+]