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Substance Name: Poly(oxy-1,2-ethanediyl), alpha-(4-sulfobutyl)-omega-(4-sulfobutoxy)-, sodium salt (1:2)
RN: 72361-57-0

Classification Code

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

Molecular Formula

  • (C2-H4-O)mult-C8-H18-O7-S2.2Na

Molecular Weight

  • 378.372
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Names and Synonyms


  • Polyethylene glycol, disulfobutyl ether, disodium salt

Systematic Names

  • Poly(oxy-1,2-ethanediyl), alpha-(4-sulfobutyl)-omega-(4-sulfobutoxy)-, disodium salt
  • Poly(oxy-1,2-ethanediyl), alpha-(4-sulfobutyl)-omega-(4-sulfobutoxy)-, sodium salt (1:2)

Registry Numbers

CAS Registry Number

  • 72361-57-0

System Generated Number

  • 0072361570

Molecular Formulas

Molecular Formula

  • (C2-H4-O)mult-C8-H18-O7-S2.2Na

Molecular Formula Fragments

  • C2-H4-O
  • C8-H18-O7-S2
  • Na

Structure Descriptors