octamethylcyclotetrasiloxane


cyclomethicone 4; Δ4 cyclomethicone; octamethylcyclotetrasiloxane; octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane
Links:📏 NIST, 📖 PubMed
MeSH:Immunologic Factors
CAS RN:[556-67-2]
Formula:C8H24O4Si4; 296.62 g/mol
InChiKey:HMMGMWAXVFQUOA-UHFFFAOYSA-N
SMILES:C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
Molecular structure of octamethylcyclotetrasiloxane
Density:0.956 g/mL
Molar volume:310.3 mL/mol
Dielectric constant:2.39
Melting point:18 °C
Boiling point:171 °C
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Log10 partition octanol / water:6.74