Isobutane
إيزوبوتان · Μεθυλοπροπάνιο · Metilpropano · ایزوبوتان · איזובוטאן · Izobután · Isobutana · Isobutano · イソブタン · 아이소뷰테인 · Изобутан · Methylpropaan
| CAS | 75-28-5 |
|---|---|
| EC | 200-857-2 |
| UN | 1969 |
| Formula | C4H10 |
| Molar mass | 58.12 g/mol |
| LEL | 1.3 % vol |
| UEL | 9.8 % vol |
| Autoignition temperature | 460 °C |
| Temperature class | T1 |
| Gas group | IIA |
| Relative density of the gas or vapour (air = 1) | 2.01 |
| GHS | Danger · H220 |
Isobutane is an alkane that is propane substituted by a methyl group at position 2. It has a role as a food propellant and a refrigerant. Isobutane is a colorless gas with a faint petroleum-like odor. It is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frostbite.