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Substance Name: C.I. Acid Orange 137
RN: 15139-76-1
UNII: RGU455OS50
InChIKey: BLQVZCMYWIKAGV-KPOOZVEVSA-L

Classification Codes

  • Mutation Data
  • Reproductive Effect

Molecular Formula

  • C22-H18-N4-O9-S2.2Na

Molecular Weight

  • 590.4994
 
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Names and Synonyms

Results Name

  • C.I. Acid Orange 137

Name of Substance

  • Orange B

Synonyms

  • 1-(4-Sulfophenyl)-3-ethylcarboxy-4-(4-sulfonaphthylazo)-5-hydroxypyrazole disodium
  • 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-((4-sulfo-1-naphthalenyl)azo)-1-(4-sulfophenyl)-, 3-ethyl ester, disodi
  • 3-Ethyl 4,5-dihydro-5-oxo-4-((4-sulfo-1-naphthalenyl)azo)-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylate disodium salt
  • Acid Orange 137
  • C.I. Acid Orange 137
  • Disodium 1-(4-sulfophenyl)-3-ethylcarboxy-4-(4-sulfonaphthylazo)-5-hydroxypyrazole
  • Disodium 3-ethyl 4,5-dihydro-5-oxo-4-((4-sulfo-1-naphthalenyl)azo)-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylate
  • Disodium 3-ethyl 5-oxo-4-((4-sulfo-1-naphthyl)azo)-1-(p-sulfophenyl)-2-pyrazoline-3-carboxylate
  • EINECS 239-201-5
  • Ethyl 5-oxo-4-(4-sulfonaphthylazo)-1-(p-sulfophenyl)-2-pyrazoline-3-carboxylate disodium salt
  • HSDB 7975
  • Orange B
  • UNII-RGU455OS50

Systematic Names

  • 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-((4-sulfo-1-naphthalenyl)azo)-1-(4-sulfophenyl)-, 3-ethyl ester, disodium salt
  • 2-Pyrazoline-3-carboxylic acid, 5-oxo-4-((4-sulfo-1-naphthyl)azo)-1-(p-sulfophenyl)-, 2-ethyl ester, disodium salt
  • Disodium 3-ethyl 4,5-dihydro-5-oxo-4-((4-sulphonato-1-naphthyl)azo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

Superlist Name

  • Orange B

Registry Numbers

CAS Registry Number

  • 15139-76-1

FDA UNII

  • RGU455OS50

Other Registry Number

  • 53060-70-1

System Generated Number

  • 0015139761

Molecular Formulas

Molecular Formula

  • C22-H18-N4-O9-S2.2Na

Molecular Formula Fragments

  • C22-H18-N4-O9-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C22H18N4O9S2.2Na/c1-2-35-22(28)20-19(21(27)26(25-20)13-7-9-14(10-8-13)36(29,30)31)24-23-17-11-12-18(37(32,33)34)16-6-4-3-5-15(16)17;;/h3-12,19H,2H2,1H3,(H,29,30,31)(H,32,33,34);;/q;2*+1/p-2/b24-23+;;

InChIKey

BLQVZCMYWIKAGV-KPOOZVEVSA-L

Smiles

c12c(c(ccc1/N=N\c1c(nn(c1O)c1ccc(cc1)S(=O)(=O)[O-])C(=O)OCC)S(=O)(=O)[O-])cccc2.[Na+].[Na+]