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Substance Name: 1,3-Isobenzofurandione, polymer with 1,3-propanediol
RN: 68155-85-1

Classification Code

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

Molecular Formula

  • (C8-H4-O3.C3-H8-O2)x-

Molecular Weight

  • 224.2108
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Names and Synonyms


  • Phthalic anhydride, 1,3-propylene glycol polymer

Systematic Name

  • 1,3-Isobenzofurandione, polymer with 1,3-propanediol

Registry Numbers

CAS Registry Number

  • 68155-85-1

System Generated Number

  • 0068155851

Molecular Formulas

Molecular Formula

  • (C8-H4-O3.C3-H8-O2)x-

Molecular Formula Fragments

  • C3-H8-O2
  • C8-H4-O3