Properties of Benzaldehyde (C7H6O)
Benzaldehyde is an organic compound with the chemical formula C7H6O. It is a simple aromatic aldehyde with a distinctive almond-like odor and is found in various natural sources, including almonds. Benzaldehyde is widely used in the fragrance and flavor industry and serves as a precursor for the synthesis of numerous organic compounds in chemical and pharmaceutical applications.
The following table provides a comprehensive list of benzaldehyde 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 | 106.124 g/mol |
| Density | 1045 kg/m3 |
| Dynamic Viscosity | 1.446 mPa·s |
| Surface Tension | 38.54 mN/m |
| Thermal Properties | Metric |
| Melting Point | -57.1 °C |
| Boiling Point | 179 °C |
| Thermal Conductivity | 0.151 W/m·K |
| Specific Heat Capacity (Cp) | 1620 J/kg·K |
| Vapor Pressure | 0.113 kPa |
| Critical Constants | Metric |
| Critical Temperature (Tc) | 422 °C |
| Critical Pressure (Pc) | 4.661 MPa |
| Electrical Properties | Metric |
| Relative Permittivity (εr) | 17.85 |
| Optical Properties | Metric |
| Refractive Index (589 nm) | 1.544 |
| Hazardous Data | Metric |
| Flash Point | 64 °C |
| Autoignition Temperature | 192 °C |
| NFPA Rating (Health) | 2 |
| NFPA Rating (Fire) | 2 |
| 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.