octamethylcyclotetrasiloxane
| Structure | |
Reference |
| CAS number | 556672 | 22 |
| name | octamethylcyclotetrasiloxane | 22 |
| synonyms | Cyclic VMS, Dow Corning 244 Fluid | 22 |
| formula | C8H24O4Si4 | 22 |
| MW | 296.62 | 22 |
| Class | miscellaneous | |
| MP, ºC | 17.5 | 14 |
| BP, ºC | 175.8 | 14 |
| vapor pressure, torr @25ºC | 1.05 (Ext) | 14 |
| evaporation rate (BuOAc=1) | 0.2 | 22 |
| specific gravity, 25ºC/25ºC | 0.95 | 22 |
| viscosity, cP @ 25ºC | 2.6 | 22 |
| flash point, ºC (closed cup) | 55 | 22 |
| water soly, g/100g H2O at 25ºC | 0 | 14 |
| Henry's Law Constant, atm-m3/mole | 0.117 | 14 |
| kOH, cm3/molecule-second | 1.01E-12 (@24ºC) | 14 |
| log Kow | 5.1 | 14 |
| Hildebrand parameter (cal/cm3)^½ | NA | |
| Kauri-butanol number | 14.5 | 22 |
| MIR | NA | |
| TAC | no |