17865-85-9

Name Octamethylsilsesquioxane
CAS 17865-85-9
Molecular Formula C8H24O12Si8
MDL Number MFCD02683561
Molecular Weight 536.95
MOL File 17865-85-9.mol
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Chemical Properties

Melting point  >350 °C (lit.)
Boiling point  235.0±23.0 °C(Predicted)
density  1.26±0.1 g/cm3(Predicted)
storage temp.  Inert atmosphere,Room Temperature
InChI 1S/C8H24O12Si8/c1-21-9-22(2)12-25(5)14-23(3,10-21)16-27(7)17-24(4,11-21)15-26(6,13-22)19-28(8,18-25)20-27/h1-8H3
InChIKey SOQGBGSEJYZNPS-UHFFFAOYSA-N
SMILES C[Si]12O[Si]3(C)O[Si]4(C)O[Si](C)(O1)O[Si]5(C)O[Si](C)(O2)O[Si](C)(O3)O[Si](C)(O4)O5
NIST Chemistry Reference Octasilsesquioxane, octamethyl-(17865-85-9)
EPA Substance Registry System Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octamethyl- (17865-85-9)

Safety Data

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P301+P312-P302+P352-P304+P340-P305+P351+P338
WGK Germany  3
TSCA  TSCA listed
HS Code  29349990
Storage Class 11 - Combustible Solids

Spectrum Detail

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