Decamethylcyclopentasiloxane

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Formula C10H30O5Si5
IUPAC Name 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
Molecular Mass 370.770 g·mol−1
Heat of Formation -2732.4 ± 16.7 kJ·mol−1
Dipole Moment 0.19 ± 1.08 D
Volume 483.72 Å 3
Surface Area 355.03 Å 2
HOMO Energy -9.56 ± 0.55 eV
LUMO Energy 1.08 ± eV
Point Group Symmetry C1
Synonyms
  • 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane
  • cyclic dimethylsiloxane pentamer
  • cyclopentasiloxane, decamethyl-
  • decamethyl-cyclopentasiloxane
  • dimethylsiloxane pentamer
  • dow corning 345
  • dow corning 345 fluid
  • kf 995
  • nuc silicone vs 7158
  • sf 1202
  • silicon sf 1202
  • union carbide 7158 silicone fluid
  • vs 7158
CAS Number(s)
  • 541-02-6
InChIKey XMSXQFUHVRWGNA-UHFFFAOYSA-N
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Elements H Si C O