Properties of Benzyl Alcohol (C7H8O)

Benzyl alcohol is an organic compound with the chemical formula C7H8O. It is a colorless liquid with a mild, pleasant aroma and is commonly used as a solvent in various industries, as well as a preservative in cosmetics, pharmaceuticals, and personal care products.

The following table provides a comprehensive list of benzyl alcohol 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 Benzyl Alcohol Properties
Physical Properties
Metric
Molar Mass108.14 g/mol
Density1041 kg/m3
Dynamic Viscosity5.6 mPa·s
Surface Tension35.49 mN/m
Thermal PropertiesMetric
Melting Point-15.4 °C
Boiling Point205.3 °C
Thermal Conductivity (25°C)0.159 W/m·K
Vapor Pressure0.011 kPa
Critical ConstantsMetric
Critical Temperature (Tc)442 °C
Critical Pressure (Pc)4.3 MPa
Critical Molar Volume (Vc)333 cm3/mol
Electrical PropertiesMetric
Relative Permittivity (εr)11.92
Optical PropertiesMetric
Refractive Index (589 nm)1.539
Hazardous DataMetric
Flash Point93 °C
Autoignition Temperature436 °C
NFPA Rating (Health)1
NFPA Rating (Fire)1
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.