Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Ethylene oxide/propylene oxide copolymer (avg MW 3,500-4,125)
RN: 977057-83-2

* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

Names and Synonyms


  • alpha-Hydro-omega-hydroxypoly(oxyethylene)/poly(oxypropylene)(53-59 moles)/poly(oxyethylene)(14-16 moles) block copolymer,
  • Ethylene oxide-propylene oxide copolymer, MW 3500-4125
  • Ethylene oxide/propylene oxide copolymer (avg MW 3,500-4,125)

Superlist Name

  • Poloxamer-331

Registry Numbers

CAS Registry Number

  • 977057-83-2

ID Number

  • 0977057832

System Generated Number

  • 0977057832