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Substance Name: PEG-25 PABA
RN: 116242-27-4

Classification Codes

  • TSCA Flag PMN (a Commenced PMN (Premanufacture Notice) Substance)
  • TSCA Flag XU (Exempt from Reporting under Chemical Data Reporting Rule)

Molecular Formula

  • (C2-H4-O)mult-(C2-H4-O)mult-(C2-H4-O)mult-C11-H15-N-O4

Molecular Weight

  • 357.4003
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Names and Synonyms

Name of Substance

  • PEG-25 PABA


  • UNII-D65AUB322A

Systematic Names

  • Poly(oxy-1,2-ethanediyl), alpha,alpha'-(((4-carboxyphenyl)imino)di-2,1-ethanediyl)bis(omega-hydroxy-, ester with alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl) (1:1)
  • Poly(oxy-1,2-ethanediyl), alpha-hydro-omega-hydroxy-, ester ether with 4-(bis(2-hydroxyethyl)amino)benzoic acid (3:1)

Registry Numbers

CAS Registry Number

  • 116242-27-4


  • D65AUB322A

Other Registry Number

  • 1832636-68-6

System Generated Number

  • 0116242274

Molecular Formulas

Molecular Formula

  • (C2-H4-O)mult-(C2-H4-O)mult-(C2-H4-O)mult-C11-H15-N-O4

Molecular Formula Fragments

  • C11-H15-N-O4
  • C2-H4-O