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Substance Name: PN-1 Resin
RN: 26123-45-5


  • Diethylene glycol-maleic anhydride-phthalic anhydride polymer.

Classification Code

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

Molecular Formula

  • (C8-H4-O3.C4-H10-O3.C4-H2-O3)x-

Molecular Weight

  • 352.2934
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Names and Synonyms

Name of Substance

  • PN-1 Resin


  • 1,3-Isobenzofurandione, polymer with 2,5-furandione and 2,2'-oxybis(ethanol)
  • 2,2'-Dihydroxydiethyl ether, butenedioic anhydride, phthalandione polymer
  • 2,2'-Dihydroxydiethyl ether, cis-butenedioic anhydride, phthalandione polymer
  • Diethylene glycol, maleic anhydride, phthalic anhydride polymer
  • Maleic anhydride, phthalic anhydride, diethylene glycol terpolymer
  • Phthalic anhydride, maleic anhydride, diethylene glycol polymer
  • Phthalic anhydride, polymer with maleic anhydride and diethylene glycol
  • Polymer of diethylene glycol, phthalic anhydride, maleic anhydride

Systematic Name

  • 1,3-Isobenzofurandione, polymer with 2,5-furandione and 2,2'-oxybis(ethanol)

Registry Numbers

CAS Registry Number

  • 26123-45-5

Other Registry Numbers

  • 119912-13-9
  • 37229-20-2

System Generated Number

  • 0026123455

Molecular Formulas

Molecular Formula

  • (C8-H4-O3.C4-H10-O3.C4-H2-O3)x-

Molecular Formula Fragments

  • C4-H10-O3
  • C4-H2-O3
  • C8-H4-O3