Difference between revisions of "Sec-Butanol"
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m (Gdflp moved page Sec-Butanol to Ec-Butanol: Fixing Grammar) |
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Revision as of 18:26, 19 March 2016
| Names | |
|---|---|
| IUPAC name
Butan-2-ol
| |
| Other names
2-Butanol
2-Butyl alcohol sec-Butyl alcohol | |
| Identifiers | |
| Jmol-3D images | Image |
| |
| Properties | |
| C4H10O | |
| Molar mass | 74.12 g/mol |
| Appearance | Colorless liquid |
| Density | 0.8063 g/cm3 (at 20 °C) |
| Melting point | −115 °C (−175 °F; 158 K) |
| Boiling point | 98 to 100 °C (208 to 212 °F; 371 to 373 K) |
| 125 g/l (at 20 °C) | |
| Solubility | Miscible with diethyl ether, ethanol Very soluble in acetone |
| Vapor pressure | 1.67 kPa (at 20 °C) |
| Thermochemistry | |
| Std molar
entropy (S |
213.1 J·K-1mol-1 |
| Std enthalpy of
formation (ΔfH |
−343.3–−342.1 kJ·mol-1 |
| Hazards | |
| Safety data sheet | ScienceLab |
| Flash point | 22 to 27 °C |
| Related compounds | |
| Related compounds
|
Butanol Methyl ethyl ketone |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
sec-Butanol or 2-butanol is an isomer of butanol, mainly used as a precursor to the more common methyl ethyl ketone.
Contents
Properties
Chemical
sec-Butanol can be oxidized to butanone.
Physical
2-Butanol is a colorless liquid, with a strong smell. It melts at −115 °C and boils at 99.5 °C, just slightly below the boiling point of water.
Availability
2-Butanol is sold by various chemical suppliers.
Preparation
Can be made by reducing butanone.
Projects
- Make butanone
Handling
Safety
sec-Butanol is prone to forming explosive peroxide over the course of several years, so it's best to check it periodically.
Storage
In closed bottles, in the solvent cabinet.
Disposal
sec-Butanol can be safely burned, unless it has peroxides.
References
Relevant Sciencemadness threads
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