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Substance Name: Oxirane, 2-methyl-, polymer with oxirane, (2Z)-2-butenedioate
RN: 57916-91-3

Classification Code

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

Molecular Formula

  • C4-H4-O4.x-(C3H6-O.C2-H4-O)x-

Molecular Weight

  • 218.2036
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Names and Synonyms


  • Ethylene oxide, propylene oxide, maleic anhydride polymer

Systematic Names

  • Oxirane, 2-methyl-, polymer with oxirane, (2Z)-2-butenedioate
  • Oxirane, methyl-, polymer with oxirane, (2Z)-2-butenedioate

Registry Numbers

CAS Registry Number

  • 57916-91-3

Other Registry Numbers

  • 178738-89-1
  • 84287-16-1

System Generated Number

  • 0057916913

Molecular Formulas

Molecular Formula

  • C4-H4-O4.x-(C3H6-O.C2-H4-O)x-

Molecular Formula Fragments

  • C2-H4-O
  • C3H6-O
  • C4-H4-O4