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Substance Name: Food orange 2
RN: 2347-72-0
UNII: 35HF83708U
InChIKey: CECHAJXICNIUQL-QIKYXUGXSA-L

Note

  • Isomer of E 110.

Molecular Formula

  • C16-H12-N2-O7-S2.2Na

Molecular Weight

  • 452.374
 
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Names and Synonyms

Results Name

  • Food orange 2

Name of Substance

  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-((3-sulfophenyl)azo)-, disodium salt
  • CI 15980
  • Disodium 6-hydroxy-5-((3-sulfophenyl)azo)-2-naphthalenesulfonate
  • E 111
  • Food orange 2

Synonyms

  • EINECS 219-073-7
  • UNII-35HF83708U

Systematic Names

  • 6-Hydroxy-5-((3-sulfophenyl)azo)-2-naphthalenesulfonic acid, disodium salt
  • Disodium 6-hydroxy-5-((3-sulphonatophenyl)azo)naphthalene-2-sulphonate

Registry Numbers

CAS Registry Number

  • 2347-72-0

FDA UNII

  • 35HF83708U

System Generated Number

  • 0002347720

Molecular Formulas

Molecular Formula

  • C16-H12-N2-O7-S2.2Na

Molecular Formula Fragments

  • C16-H12-N2-O7-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C16H12N2O7S2.2Na/c19-15-7-4-10-8-13(27(23,24)25)5-6-14(10)16(15)18-17-11-2-1-3-12(9-11)26(20,21)22;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;

InChIKey

CECHAJXICNIUQL-QIKYXUGXSA-L

Smiles

c1cc(cc(c1)S(=O)(=O)[O-])/N=N/c2c3ccc(cc3ccc2O)S(=O)(=O)[O-].[Na+].[Na+]