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Substance Name: Polysiloxane
RN: 9011-19-2


  • Silicon polymers that contain alternate silicon and oxygen atoms in linear or cyclic molecular structures.

Molecular Formula

  • ((C9-H12-O-Si)mult-H2-O.(C2-H6-O-Si)mult-H2-O)x-
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Names and Synonyms

Results Name

  • Polysiloxane

MeSH Heading

  • Siloxanes

Systematic Name

  • Poly(oxy(methyl(2-phenylethyl)silylene)), alpha-hydro-omega-hydroxy-, polymer with alpha-hydro-omega-hydroxypoly(oxy(dimethylsilylene))

Superlist Name

  • Polysiloxane

Registry Numbers

CAS Registry Number

  • 9011-19-2

System Generated Number

  • 0009011192

Molecular Formulas

Molecular Formula

  • ((C9-H12-O-Si)mult-H2-O.(C2-H6-O-Si)mult-H2-O)x-

Molecular Formula Fragments

  • C2-H6-O-Si
  • C9-H12-O-Si
  • H2-O