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 2, Crystal 1, and Gas)
1 experimental data points - Triple point temperature (Crystal 1, Liquid, and Gas)
14 experimental data points - Triple point temperature (Crystal 2, Crystal 1, and Liquid)
1 experimental data points
- Triple point temperature (Crystal 2, Crystal 1, and Gas)
- Normal boiling temperature (Liquid and Gas)
- Critical temperature (Liquid and Gas)
3 experimental data points - Critical pressure (Liquid and Gas)
1 experimental data points - Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure
Pressure from 3.99906 kPa to 4680.45 kPa - Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 328.669 K to 645.845 K
44 experimental data points - Critical density (Liquid and Gas)
1 experimental data points - Density
- Density (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 276.826 K to 645.845 K
45 experimental data points - Density (Liquid) as a function of Temperature and Pressure
Temperature from 298.15 K to 328.15 K
Pressure from 0.04 kPa to 39620 kPa
50 experimental data points - Density (Gas in equilibrium with Liquid) as a function of Temperature
Temperature from 518.323 K to 645.845 K
5 experimental data points - Density (Gas) as a function of Temperature and Pressure
Temperature from 320 K to 640 K
Pressure from 0.0008 kPa to 831.317 kPa
11 experimental data points
- Density (Liquid in equilibrium with Gas) as a function of Temperature
- Enthalpy of phase transition
- Enthalpy of phase transition (Crystal 2 to Crystal 1 in equilibrium with Gas)
1 experimental data points - Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas)
1 experimental data points
- Enthalpy of phase transition (Crystal 2 to Crystal 1 in equilibrium with Gas)
- Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature
Temperature from 276.826 K to 645.845 K
13 experimental data points - Heat capacity at saturation pressure
- Heat capacity at saturation pressure (Crystal 2 in equilibrium with Gas) as a function of Temperature
Temperature from 0.0003 K to 254 K
50 experimental data points - Heat capacity at saturation pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature
Temperature from 254 K to 276.826 K
22 experimental data points - Heat capacity at saturation pressure (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 276.826 K to 630 K
44 experimental data points
- Heat capacity at saturation pressure (Crystal 2 in equilibrium with Gas) as a function of Temperature
- Heat capacity at constant pressure (Ideal Gas) as a function of Temperature
Temperature from 50 K to 1500 K
6 experimental data points - Enthalpy
- Enthalpy (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 276.826 K to 630 K
15 experimental data points - Enthalpy (Crystal 2 in equilibrium with Gas) as a function of Temperature
Temperature from 0.0003 K to 254 K
41 experimental data points - Enthalpy (Crystal 1 in equilibrium with Gas) as a function of Temperature
Temperature from 254 K to 276.826 K
7 experimental data points - Enthalpy (Ideal Gas) as a function of Temperature
Temperature from 50 K to 1500 K
- Enthalpy (Liquid in equilibrium with Gas) as a function of Temperature
- Entropy
- Entropy (Crystal 2 in equilibrium with Gas) as a function of Temperature
Temperature from 0.0003 K to 254 K
41 experimental data points - Entropy (Crystal 1 in equilibrium with Gas) as a function of Temperature
Temperature from 254 K to 276.826 K
15 experimental data points - Entropy (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 276.826 K to 630 K
30 experimental data points - Entropy (Ideal Gas) as a function of Temperature and Pressure
Temperature from 50 K to 1500 K
11 experimental data points
- Entropy (Crystal 2 in equilibrium with Gas) as a function of Temperature
- Refractive index (Liquid) as a function of Wavelength, Temperature, and Pressure
Wavelength from 486.13 nm to 656.279 nm
Temperature from 292.989 K to 303.143 K
27 experimental data points - Surface tension (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 293.138 K to 358.123 K
4 experimental data points - Viscosity
- Viscosity (Gas) as a function of Temperature and Pressure
Temperature from 420 K to 960 K - Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
Temperature from 293.138 K to 363.176 K
28 experimental data points
- Viscosity (Gas) as a function of Temperature and Pressure
- Thermal conductivity (Gas) as a function of Temperature and Pressure
Temperature from 420 K to 960 K - Enthalpy of formation
- Enthalpy of formation (Gas)
- Enthalpy of formation (Liquid)
2 experimental data points
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:
Standard Reference Data Program
National Institute of Standards and Technology
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