2-Butanol
2-βουτανόλη · Butan-2-ol · ۲-بوتانول · Butan-2-ol · 2-בוטנול · 2-butanolo · 2-ブタノール · 2-뷰탄올 · Бутанол-2 · 2-бутанол · 2-бутанол · 仲丁醇
| CAS | 78-92-2 |
|---|---|
| EC | 201-158-5 |
| UN | 1120 |
| Formula | C4H10O |
| Molar mass | 74.12 g/mol |
| LEL | 1.7 % vol |
| UEL | 9.8 % vol |
| Flash point | 24 °C |
| Autoignition temperature | 406 °C |
| Temperature class | T2 |
| Gas group | IIA |
| Relative density of the gas or vapour (air = 1) | 2.56 |
| GHS | Warning · H226, H319, H335, H336 |
Butan-2-ol is a secondary alcohol that is butane substituted by a hydroxy group at position 2. It derives from a hydride of a butane. Sec-butyl alcohol appears as a clear colorless liquid with an alcohol odor. Flash point below 0 °F. Less dense than water.