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Substance Name: Erythrosine sodium [USP]
RN: 49746-10-3
UNII: PN2ZH5LOQY
InChIKey: IVKWXPBUMQZFCW-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 Weight

  • 897.857
 

Classification Codes

  • Coloring Agents
  • Fluorescent Dyes
  • Indicators and Reagents
  • Luminescent Agents
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Names and Synonyms

Name of Substance

  • Erythrosine sodium [USP]

MeSH Heading

  • Erythrosine

Synonyms

  • 2',4',5',7'-Tetraiodofluorescein disodium salt monohydrate
  • Erythrosine sodium hydrate
  • Erythrosine sodium monohydrate
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, disodium salt, monohydrate
  • UNII-PN2ZH5LOQY

Registry Numbers

CAS Registry Number

  • 49746-10-3

FDA UNII

  • PN2ZH5LOQY

System Generated Number

  • 0049746103

Structure Descriptors

InChI

1S/C20H8I4O5.2Na.H2O/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);;;1H2/q;2*+1;/p-2

InChIKey

IVKWXPBUMQZFCW-UHFFFAOYSA-L

Smiles

c1cc(c(C([O-])=O)cc1)c1c2cc(c(c(c2oc2c(c(c(I)cc12)=O)I)I)[O-])I.[Na+].[Na+].O