1,1,1-Trifluoroethane (CAS 420-46-2) – Thermophysical Properties

This page provides thermophysical, transport, safety, and environmental property data for 1,1,1-Trifluoroethane, along with a property calculator for evaluating values at user-defined temperature and pressure conditions.

Input Conditions

Enter a pure component, temperature, and pressure.

Results

Calculated properties for the given state will appear here.

1,1,1-Trifluoroethane

Identification

AtomsC: 2, F: 3, H: 3
CAS420-46-2
FormulaC2H3F3
ID1,1,1-Trifluoroethane
InChIC2H3F3/c1-2(3,4)5/h1H3
InChI KeyUJPMYEOUBPIPHQ-UHFFFAOYSA-N
IUPAC Name1,1,1-trifluoroethane
Molecular Weight (kg/kmol)84.0404
Phaseg
PubChem ID9868
SMILESCC(F)(F)F
Synonyms

Physical Properties

Acentric factor0.2615
Critical pressure (bar)37.61
Critical temperature (°C)72.707
Critical volume (m³/kmol)0.194991
Dipole moment2.32
Melting temperature (°C)-111.15
Normal boiling temperature (°C)-47.2405

State-dependent Properties

Compressibility factor1
Density (kg/m³)3.43507
Dynamic viscosity (cP)0.0112129
Joule–Thomson coefficient1.1216e-13
Kinematic viscosity3.2642e-6
Molar enthalpy (kJ/kmol)0
Molar enthalpy of vaporization (kJ/kmol)1.3392e+4
Molar entropy (kJ/(kmol·K))0
Molar Gibbs free energy (kJ/kmol)0
Molar heat capacity (kJ/(kmol·K))78.0823
Molar volume (m³/kmol)24.4654
Parachor
Poynting correction factor
Prandtl number0.699673
Saturation pressure (bar)12.6156
Saturation temperature (°C)-47.2405
Solubility parameter
Specific enthalpy (kJ)0
Specific enthalpy of vaporization (kJ)159.353
Specific entropy (kJ/kg·K)0
Specific Gibbs free energy (kJ)0
Specific gravity2.90016
Specific heat capacity (kJ/kg·K)0.929104
Surface tension0.0045142
Thermal conductivity (W/m·K)0.0148897
Thermal diffusivity4.6654e-6

Safety Properties

Autoignition temperature (°C)714
Flash point temperature (°C)-273.15
Lower flammability limit0.068
Upper flammability limit0.176

Environmental Properties

Global warming potential5890
Ozone depletion potential

Failed Properties:

API gravityFailed

About This Property Calculator

This tool provides a comprehensive set of thermophysical, safety, and environmental properties for 1,1,1-Trifluoroethane. By default, the state-dependent properties like density, viscosity, and heat capacity are calculated at standard conditions of 25 °C (298.15 K) and 1 atm (101325 Pa).

How to Calculate Properties at Different Conditions

You can use the interactive calculator above to compute properties at your desired temperature and pressure. Simply enter your target values in the input fields and click the "Calculate Properties" button. The results table will update with the new values.

For example, to find the density of liquid 1,1,1-Trifluoroethane at 50 °C and 2 bar, you would:

  1. Select your preferred unit system (e.g., Metric).
  2. Enter "50" into the Temperature field.
  3. Enter "2" into the Pressure field.
  4. Click "Calculate Properties."

The calculator will then display the updated density and other state-dependent properties for these specific conditions. This functionality is essential for process design, equipment sizing, and safety analysis in chemical engineering.

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