Furan
Furano · Фуран · フラン · فوران · فوران · Фуран · Φουράνιο · Furano · Furane · פוראן · फ्यूरन · 퓨란
| CAS | 110-00-9 |
|---|---|
| EC | 203-727-3 |
| UN | 2389 |
| Formula | C4H4O |
| Molar mass | 68.07 g/mol |
| LEL | 2.3 % vol |
| UEL | 14.3 % vol |
| Flash point | -20 °C |
| Autoignition temperature | 390 °C |
| Temperature class | T2 |
| Gas group | IIB |
| Relative density of the gas or vapour (air = 1) | 2.35 |
| GHS | Danger · H224, H302, H315, H332, H341, H350, H373, H412 |
Furan is a monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31C) colourless liquid. Furan appears as a clear colorless liquid with a strong odor. Flash point below 32 °F. Less dense than water and insoluble in water.