Properties of Ethylbenzene (C8H10)

Ethylbenzene is a chemical compound with the molecular formula C8H10. It is a colorless, flammable liquid with a sweet, gasoline-like odor. Ethylbenzene is used primarily as an intermediate in the production of styrene, which is a key component in the manufacturing of plastics and synthetic rubber.

The following table provides a comprehensive list of ethylbenzene 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.

Table of Ethylbenzene Properties
Physical Properties
Metric
Molar Mass106.16 g/mol
Density867 kg/m3
Dynamic Viscosity0.666 mPa·s
Surface Tension28.48 mN/m
Thermal PropertiesMetric
Melting Point-95 °C
Boiling Point136.2 °C
Thermal Conductivity0.13 W/m·K
Specific Heat Capacity (Cp)1748 J/kg·K
Vapor Pressure0.94 kPa
Critical ConstantsMetric
Critical Temperature (Tc)344 °C
Critical Pressure (Pc)3.61 MPa
Critical Molar Volume (Vc)374 cm3/mol
Electrical PropertiesMetric
Relative Permittivity (εr)2.446
Optical PropertiesMetric
Refractive Index (589 nm)1.495
Hazardous DataMetric
Flash Point21 °C
Autoignition Temperature432 °C
Lower Flammability Limit0.8%
Upper Flammability Limit6.7%
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)

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.