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Substance Name: Phenolsulfonephthalein sodium
RN: 34487-61-1
UNII: 50J9732WBG
InChIKey: HKHYOKBQJILTEI-UHFFFAOYSA-M

Note

  • Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.

Molecular Formula

  • C19-H14-O5-S.Na

Molecular Weight

  • 376.3627
 
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Names and Synonyms

Name of Substance

  • Phenolsulfonephthalein sodium

Synonyms

  • EINECS 252-057-8
  • UNII-50J9732WBG

Systematic Names

  • Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-, monosodium salt
  • Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-, sodium salt (1:1)
  • Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide, monosodium salt
  • Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenolate S,S-dioxide

Registry Numbers

CAS Registry Number

  • 34487-61-1

FDA UNII

  • 50J9732WBG

Other Registry Numbers

  • 115481-77-1
  • 27664-79-5
  • 875052-72-5

System Generated Number

  • 0034487611

Molecular Formulas

Molecular Formula

  • C19-H14-O5-S.Na

Molecular Formula Fragments

  • C19-H14-O5-S
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C19H14O5S.Na/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19;/h1-12,20-21H;/q;+1/p-1

InChIKey

HKHYOKBQJILTEI-UHFFFAOYSA-M

Smiles

O=S1(=O)O[C@@](c2ccccc12)(c1ccc(O)cc1)c1ccc([O-])cc1.[Na+]