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CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Diagnostic agent, kidney function

Chemical Name

Phenol, 4,4'-(3H-2,1-benzoxatiol-3-ylidene)bis-, S,S-dioxide

Foreign Names

  • Phenolsulfonphthaleinum (Latin)
  • Phenolrot (German)
  • Phénolsulfonephtaléine (French)

Generic Names

  • Phenolsulfonphthalein (OS: BAN, JAN)
  • Phénolsulfonphthaléine (OS: DCF)
  • Fenolipuna (IS)
  • P.S.P. (IS)
  • Phenol Red (IS)
  • Phenolsulphonphthalein (IS)
  • Rouge de phénol (IS)
  • Sulphental (IS)
  • Sulphonthal (IS)
  • Phénolsulfonephtaléine (PH: Ph. Eur. 9)
  • Phenolsulfonphthalein (PH: JP XVII, NF 33, Ph. Eur. 9)
  • Phenolsulfonphthalein (PH: BP 2018)
  • Phenolsulfonphthaleinum (PH: Ph. Eur. 9)

Brand Name


BANBritish Approved Name
DCFDénomination Commune Française
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name

Further information on drug naming conventions: International Nonproprietary Names.

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Further information

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