Properties of hydroquinone
Thermophysical properties for hydroquinone (CAS: 123-31-9). Use the selector below to view properties in different unit systems.
Calculation Conditions
The following state-dependent properties were calculated at these standard conditions.
Temperature
25 °C
Pressure
1.01325 bar
Need properties at a different state? Use our interactive calculator.
Open CalculatorIdentification
- AtomsC: 6, H: 6, O: 2
- CAS123-31-9
- FormulaC6H6O2
- ID123-31-9
- InChIC6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
- InChI KeyQIGBRXMKCJKVMJ-UHFFFAOYSA-N
- IUPAC Namebenzene-1,4-diol
- Molecular Weight (kg)110.111
- Phases
- PubChem ID785
- SMILESC1=CC(=CC=C1O)O
- Synonyms
Physical Properties
- Acentric factor0.6598
- Critical pressure (bar)67.4997
- Critical temperature (°C)546.85
- Critical volume (m³/kmol)0.292
- Dipole moment
- Melting temperature (°C)171.65
- Normal boiling temperature (°C)288
State-dependent Properties
- API gravity-15.7079
- Compressibility factor0.00341385
- Density (kg/m³)1318.36
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)824.683
- Enthalpy of vaporization (molar) (kJ/kmol)9.0806e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient
- Kinematic viscosity
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))136
- Molar volume (m³/kmol)0.0835211
- Parachor4.7235e-5
- Poynting correction factor1.00371
- Prandtl number
- Saturation pressure (bar)1.7702e-6
- Saturation temperature (°C)285.163
- Solubility parameter3.1232e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.31965
- Specific heat capacity (kJ/kg·K)1.23512
- Surface tension0.0729501
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)164.85
- Lower flammability limit0.0181273
- Upper flammability limit0.101387
Environmental Properties
- Global warming potential
- Ozone depletion potential