Properties of Cyclohexanone (C6H10O)

Cyclohexanone is a colorless, flammable organic compound with the chemical formula C6H10O. It is a cyclic ketone and belongs to a group of organic compounds known as ketones. Cyclohexanone is commonly used as a solvent in various chemical processes and as an intermediate in the production of nylon, plastics, and other chemicals.

The following table provides a comprehensive list of cyclohexanone 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 Cyclohexanone Properties
Physical Properties
Metric
Molar Mass98.15 g/mol
Density948 kg/m3
Dynamic Viscosity2.217 mPa·s
Surface Tension35.19 mN/m
Thermal PropertiesMetric
Melting Point-31 °C
Boiling Point155.7 °C
Thermal Conductivity0.14 W/m·K
Vapor Pressure0.5 kPa
Critical ConstantsMetric
Critical Temperature (Tc)356 °C
Critical Pressure (Pc)3.8 MPa
Critical Molar Volume (Vc)312 cm3/mol
Electrical PropertiesMetric
Relative Permittivity (εr)16.1
Optical PropertiesMetric
Refractive Index (589 nm)1.45
Hazardous DataMetric
Flash Point44 °C
Autoignition Temperature420 °C
Lower Flammability Limit1.1%
Upper Flammability Limit9.4%
NFPA Rating (Health)1
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)

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.