isobutane
| Structure |
|
Reference |
| CAS number | 75285 | 2 |
| name | isobutane | 2 |
| synonyms | 2-methylpropane; Methylpropane; isobutane, various grades | 2 |
| formula | C4H10 | 2 |
| MW | 58.124 | 2 |
| Class | Propellant | |
| MP, ºC | -138.3 | 14 |
| BP, ºC | -11.7 | 14 |
| vapor pressure, torr @25ºC | 2611 | 14 |
| evaporation rate (BuOAc=1) | 164 | 31 |
| specific gravity, 20ºC | 0.549 | 32 |
| viscosity, cP @ 25ºC | 0.0077 | 32 |
| flash point, ºC (closed cup) | -82.8 | 2 |
| water soly, g/100g H2O at 25ºC | Insoluble | 2 |
| Henry's Law Constant, atm-m3/mole | 1.189 | |
| kOH, cm3/molecule-second | 2.34E-12 | |
| log Kow | 2.76 | |
| Hildebrand parameter (cal/cm3)^½ | 6.09 | 31 |
| Kauri-butanol number | NA | |
| MIR | 1.35 | 26 |
| TAC | no |