Properties of Acetone (C3H6O)
Acetone is a colorless, volatile liquid organic compound with the chemical formula C3H6O. It is the simplest and most commonly known ketone. Acetone is highly flammable and has a characteristic sweet, fruity odor. It is often used as a solvent in various industrial and household applications, including nail polish remover and paint thinners.
The following table provides a comprehensive list of acetone 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 | 58.08 g/mol |
| Density | 790 kg/m3 |
| Dynamic Viscosity | 0.32 mPa·s |
| Surface Tension | 23.7 mN/m |
| Thermal Properties | Metric |
| Melting Point | -95 °C |
| Boiling Point | 56 °C |
| Thermal Conductivity | 0.146 W/m·K |
| Specific Heat Capacity (Cp) | 2150 J/kg·K |
| Coefficient of Thermal Expansion (αV) | 1.46×10-3 1/°C |
| Vapor Pressure | 24.6 kPa |
| Critical Constants | Metric |
| Critical Temperature (Tc) | 235 °C |
| Critical Pressure (Pc) | 4.7 MPa |
| Critical Molar Volume (Vc) | 210 cm3/mol |
| Electrical Properties | Metric |
| Relative Permittivity (εr) | 21.01 |
| Optical Properties | Metric |
| Refractive Index (589 nm) | 1.359 |
| Hazardous Data | Metric |
| Flash Point | -20 °C |
| Autoignition Temperature | 465 °C |
| Lower Flammability Limit | 2.5% |
| Upper Flammability Limit | 12.8% |
| NFPA Rating (Health) | 1 |
| 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.