Compound Information
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Property Availability
For this compound, WTT contains critically evaluated recommendations for:
(Please note that if more than 50 points are used for
regression, only the 50 most-constraining points are reported)
- Triple point temperature
- Triple point temperature (Crystal 1, Liquid, and Gas)
18 experimental data points - Triple point temperature (Crystal 2, Crystal 1, and Gas)
2 experimental data points
- Triple point temperature (Crystal 1, Liquid, and Gas)
- Normal boiling temperature (Liquid and Gas)
- Critical temperature (Liquid and Gas)
20 experimental data points - Critical pressure (Liquid and Gas)
8 experimental data points - Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure
Pressure from 0.00232649 kPa to 4700 kPa - Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.5 K to 508.1 K
50 experimental data points - Critical density (Liquid and Gas)
5 experimental data points - Density
- Density (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.5 K to 508.1 K
50 experimental data points - Density (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa
50 experimental data points - Density (Gas in equilibrium with Liquid) as a function of Temperature
Temperature from 178.5 K to 508.1 K
37 experimental data points - Density (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
47 experimental data points
- Density (Liquid in equilibrium with Gas) as a function of Temperature
- Isobaric coefficient of expansion
- Isobaric coefficient of expansion (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa - Isobaric coefficient of expansion (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
- Isobaric coefficient of expansion (Liquid) as a function of Temperature and Pressure
- Isothermal compressibility
- Isothermal compressibility (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa
23 experimental data points - Isothermal compressibility (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
- Isothermal compressibility (Liquid) as a function of Temperature and Pressure
- Thermal pressure coefficient
- Thermal pressure coefficient (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa - Thermal pressure coefficient (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
- Thermal pressure coefficient (Liquid) as a function of Temperature and Pressure
- 2nd virial coefficient (Gas) as a function of Temperature
Temperature from 178.5 K to 550 K
43 experimental data points - 3rd virial coefficient (Gas) as a function of Temperature
Temperature from 178.5 K to 550 K
4 experimental data points - Enthalpy of phase transition
- Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas)
6 experimental data points - Enthalpy of phase transition (Crystal 2 to Crystal 1 in equilibrium with Gas)
2 experimental data points
- Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas)
- Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature
Temperature from 178.5 K to 508.1 K
17 experimental data points - Heat capacity at saturation pressure
- Heat capacity at saturation pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature
Temperature from 126 K to 178.2 K
21 experimental data points - Heat capacity at saturation pressure (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.5 K to 508 K
10 experimental data points - Heat capacity at saturation pressure (Crystal 2 in equilibrium with Gas) as a function of Temperature
Temperature from 18 K to 126 K
25 experimental data points
- Heat capacity at saturation pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature
- Heat capacity at constant pressure
- Heat capacity at constant pressure (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa
50 experimental data points - Heat capacity at constant pressure (Ideal Gas) as a function of Temperature
Temperature from 200 K to 1500 K
15 experimental data points - Heat capacity at constant pressure (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
42 experimental data points
- Heat capacity at constant pressure (Liquid) as a function of Temperature and Pressure
- Enthalpy
- Enthalpy (Crystal 2 in equilibrium with Gas) as a function of Temperature
Temperature from 18 K to 126 K - Enthalpy (Crystal 1 in equilibrium with Gas) as a function of Temperature
Temperature from 126 K to 178.2 K - Enthalpy (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.2 K to 497.905 K - Enthalpy (Ideal Gas) as a function of Temperature
Temperature from 200 K to 1500 K
- Enthalpy (Crystal 2 in equilibrium with Gas) as a function of Temperature
- Entropy
- Entropy (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.5 K to 508.1 K
2 experimental data points - Entropy (Ideal Gas) as a function of Temperature and Pressure
Temperature from 200 K to 1500 K
15 experimental data points - Entropy (Crystal 2 in equilibrium with Gas) as a function of Temperature
Temperature from 18 K to 126 K - Entropy (Crystal 1 in equilibrium with Gas) as a function of Temperature
Temperature from 126 K to 178.2 K
- Entropy (Liquid in equilibrium with Gas) as a function of Temperature
- Adiabatic compressibility
- Adiabatic compressibility (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa
50 experimental data points - Adiabatic compressibility (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
- Adiabatic compressibility (Liquid) as a function of Temperature and Pressure
- Pressure coefficient of enthalpy
- Pressure coefficient of enthalpy (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
50 experimental data points - Pressure coefficient of enthalpy (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa
- Pressure coefficient of enthalpy (Gas) as a function of Temperature and Pressure
- Joule-Thomson coefficient (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa - Speed of sound
- Speed of sound (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa
50 experimental data points - Speed of sound (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.5 K to 508.1 K
50 experimental data points - Speed of sound (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa - Speed of sound (Gas in equilibrium with Liquid) as a function of Temperature
Temperature from 178.5 K to 508.1 K
- Speed of sound (Liquid) as a function of Temperature and Pressure
- Refractive index (Liquid) as a function of Wavelength, Temperature, and Pressure
Wavelength from 435.8 nm to 759.37 nm
Temperature from 288.141 K to 318.15 K
50 experimental data points - Surface tension (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.5 K to 508.1 K
41 experimental data points - Viscosity
- Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.5 K to 508 K
50 experimental data points - Viscosity (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa
50 experimental data points - Viscosity (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
17 experimental data points
- Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
- Thermal conductivity
- Thermal conductivity (Liquid) as a function of Temperature and Pressure
Temperature from 178.5 K to 508.1 K
Pressure from 0.7 kPa to 700000 kPa
19 experimental data points - Thermal conductivity (Gas) as a function of Temperature and Pressure
Temperature from 178.5 K to 550 K
Pressure from 0.7 kPa to 4690 kPa
41 experimental data points - Thermal conductivity (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 178.5 K to 508 K
20 experimental data points
- Thermal conductivity (Liquid) as a function of Temperature and Pressure
- Enthalpy of formation
- Enthalpy of formation (Gas)
- Enthalpy of formation (Liquid)
About WTT
NIST/TRC Web Thermo Tables (WTT)
NIST Standard Reference Subscription Database 3 - Professional Edition
Version 2-2012-1-Pro
This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. These data were generated through dynamic data analysis, as implemented in the NIST ThermoData Engine software package [1, 2, 3, 4, 5, 6]. Some critically evaluated data from the historical TRC Thermodynamic Tables archive [7, 8] are included, also. As of May 2012, the Professional Edition contains information on 28432 compounds and total of 531486 evaluated data points. The properties covered by both versions (32 total) are described in Properties and Implemented Models.
Developed by Kenneth Kroenlein, Chris D. Muzny, Andrei F. Kazakov, Vladimir Diky, Robert D. Chirico, Joseph W. Magee, Ilmutdin Abdulagatov and Michael Frenkel.
Thermodynamics Research Center (TRC)
Thermophysical Properties Division
National Institute of Standards and Technology
Boulder CO 80305-3337
Questions and comments should be addressed to Dr. Michael Frenkel .
DISCLAIMER: The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high-quality copy of the database and to verify that the methods and data contained therein have been selected on the basis of sound scientific judgement. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the program and database.
Distributed by:
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National Institute of Standards and Technology
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