4-Methyl-2-pentanol
 | |
| Names | |
|---|---|
| Preferred IUPAC name
4-Methylpentan-2-ol | |
| Other names
4-Methyl-2-pentanol Methyl isobutyl carbinol MIBC Isobutyl methyl carbinol 2-Methyl-4-pentanol 4-Methylpentane-2-ol 1,3-Dimethylbutanol Methyl amyl alcohol Isobutyl methyl methanol | |
| Identifiers | |
108-11-2  = | |
| 3D model (Jmol) | Interactive image |
| ChEMBL | ChEMBL448896 |
| ChemSpider | 7622 |
| ECHA InfoCard | 100.003.229 |
| UNII | 8U34XJK0R0  |
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| Properties | |
| C6H14O | |
| Molar mass | 102.174 g/mol |
| Appearance | colorless liquid |
| Odor | mild |
| Density | 0.8075 g/cm3 at 20 °C |
| Melting point | −90 °C (−130 °F; 183 K) |
| Boiling point | 131.6 °C (268.9 °F; 404.8 K) |
| 15 g/L | |
| Solubility | soluble in ethanol, diethyl ether |
| Vapor pressure | 0.698 kPa |
| Viscosity | 4.07 mPa·s |
| Thermochemistry | |
| 273.0 J·mol−1·K−1 (liquid) | |
| Std enthalpy of formation (ΔfH |
-394.7 kJ·mol−1 (liquid) |
| Hazards | |
| Flash point | 41 °C (106 °F; 314 K) |
| Explosive limits | 1-5.5%[2] |
| Lethal dose or concentration (LD, LC): | |
| LD50 (median dose) |
2590 mg/kg (rat, oral)[3] |
| LDLo (lowest published) |
1000 mg/kg (mouse, oral)[3] |
| LC50 (median concentration) |
2000 ppm (rat, 4 hr)[3] |
| US health exposure limits (NIOSH): | |
| PEL (Permissible) |
TWA 25 ppm (100 mg/m3) [skin][2] |
| REL (Recommended) |
TWA 25 ppm (100 mg/m3) ST 40 ppm (165 mg/m3) [skin][2] |
| IDLH (Immediate danger) |
400 ppm[2] |
| Related compounds | |
| Related compounds |
Hexanol |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| verify (what is ?) | |
| Infobox references | |
4-Methyl-2-pentanol (IUPAC name: 4-methylpentan-2-ol) or methyl isobutyl carbinol (MIBC) is an organic chemical compound used primarily as a frother in mineral flotation. It is also used as a solvent, in organic synthesis, and in the manufacture of brake fluid [4] and as a precursor to some plasticizers.
References
- ↑ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 3–398, 5–47, 8–106, 15–22, 16–24, ISBN 0-8493-0594-2
- 1 2 3 4 "NIOSH Pocket Guide to Chemical Hazards #0422". National Institute for Occupational Safety and Health (NIOSH).
- 1 2 3 "Methyl isobutyl carbinol". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH).
- ↑ Howard, Philip H. (1993), Handbook of Environmental Fate and Exposure Data for Organic Chemicals, 4, Boca Raton, FL: CRC Press, pp. 430–434, ISBN 978-0-87371-413-6, retrieved 2010-01-22
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