Properties of 1-Butanol (C4H10O)
1-Butanol, also known as n-butanol, is a type of alcohol with the chemical formula C4H10O and a linear structure. It is a colorless liquid with a slightly sweet odor and is commonly used as a solvent, in the production of chemicals, and as an intermediate in various industrial processes.
The following table provides a comprehensive list of 1-butanol properties in both SI and US customary/Imperial units at normal temperature and pressure (NTP).
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Molar Mass | 74.12 g/mol |
| Density | 810 kg/m3 |
| Dynamic Viscosity | 2.967 mPa·s |
| Surface Tension | 25.38 mN/m |
| Thermal Properties | Metric |
| Melting Point | -89.8 °C |
| Boiling Point | 117.7 °C |
| Thermal Conductivity | 0.1538 W/m·K |
| Coefficient of Thermal Expansion (αV) (0°C) | 1.12×10-3 1/°C |
| Vapor Pressure | 0.58 kPa |
| Critical Constants | Metric |
| Critical Temperature (Tc) | 290 °C |
| Critical Pressure (Pc) | 4.42 MPa |
| Critical Molar Volume (Vc) | 280 cm3/mol |
| Electrical Properties | Metric |
| Relative Permittivity (εr) | 17.84 |
| Optical Properties | Metric |
| Refractive Index (589 nm) | 1.3993 |
| Hazardous Data | Metric |
| Flash Point | 37 °C |
| Autoignition Temperature | 343 °C |
| Lower Flammability Limit | 1.4% |
| Upper Flammability Limit | 11.2% |
| NFPA Rating (Health) | 2 |
| NFPA Rating (Fire) | 3 |
| NFPA Rating (Reactivity) | 0 |
Unless stated otherwise, all values are taken at room temperature (approximately 20°C or 68°F) and 1 atm pressure. (1 atm = 101,325 Pa)
Related Pages
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) Yaws, Carl L. The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals. Netherlands: Elsevier Science, 2015. 4) Fire Protection Guide to Hazardous Materials, 14th Edition. United States: National Fire Protection Association, 2010.