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Substance Name: Erythrosine sodium (open form) [USAN]
RN: 568-63-8
InChIKey: IINNWAYUJNWZRM-UHFFFAOYSA-L

Note

  • A tetraiodofluorescein used as a red coloring in some foods (cherries, fish), as a disclosure of DENTAL PLAQUE, and as a stain of some cell types. It has structural similarity to THYROXINE.

Molecular Formula

  • C20-H8-I4-O5.2Na

Molecular Weight

  • 879.8424
 
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Names and Synonyms

Name of Substance

  • Erythrosine sodium (open form) [USAN]

Synonyms

  • Erythrosine sodium
  • Erythrosine sodium (open form)
  • NSC 36685
  • TIF Na

Systematic Names

  • Benzoic acid, 2-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-9-yl)-, disodium salt
  • Benzoic acid, 2-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-j9-yl)-, disodium salt
  • Fluorescein, 2',4',5',7'-tetraiodo-, disodium salt

Superlist Name

  • Fluorescein, 2',4',5',7'-tetraiodo-, disodium salt (Benzoic acid tautomeric form)

Registry Numbers

CAS Registry Number

  • 568-63-8

Other Registry Numbers

  • 16904-63-5
  • 27540-70-1

System Generated Number

  • 0000568638

Molecular Formulas

Molecular Formula

  • C20-H8-I4-O5.2Na

Molecular Formula Fragments

  • C20-H8-I4-O5
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C20H8I4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2

InChIKey

IINNWAYUJNWZRM-UHFFFAOYSA-L

Smiles

c1(c2c(oc3c1cc(c(c3I)[O-])I)c(c(=O)c(c2)I)I)c1c(cccc1)C(=O)[O-].[Na+].[Na+]