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Substance Name: 1,3-Isobenzofurandione, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl)
RN: 59278-41-0

Classification Code

  • TSCA Flag XU (Exempt from Reporting under Chemical Data Reporting Rule)

Molecular Formula

  • (C8-H4-O3.(C2H4-O)mult-H2-O)x-
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Names and Synonyms


  • Polyethylene glycol, phthalic anhydride polymer

Systematic Name

  • 1,3-Isobenzofurandione, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl)

Registry Numbers

CAS Registry Number

  • 59278-41-0

System Generated Number

  • 0059278410

Molecular Formulas

Molecular Formula

  • (C8-H4-O3.(C2H4-O)mult-H2-O)x-

Molecular Formula Fragments

  • C2H4-O
  • C8-H4-O3
  • H2-O