4,5-Difluoro-2-hydroxybenzonitrile Thermodynamic Properties vs Temperature (CAS 186590-36-3)

Analyze how thermophysical properties change over a temperature range at a constant pressure of 1 atm.

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Property Profile for 4,5-Difluoro-2-hydroxybenzonitrile

Calculated properties vs. Temperature

Profile Data

Equilibrium Thermodynamic and Transport Properties of 4,5-Difluoro-2-hydroxybenzonitrile at 1.01325 bar over -23.15–226.85 °C
Temperature (°C)Specific heat capacity (kJ/kg·K)Density (kg/m³)Dynamic viscosity (cP)Thermal conductivity (W/m·K)Prandtl number ()Molar volume (m³/kmol)Specific enthalpy (kJ)Specific entropy (kJ/kg·K)Phase
-23.150.7041161594.83N/A N/A N/A 0.097253-37.2355-0.13585s
-18.0480.7186231592.31N/A N/A N/A 0.0974068-33.6061-0.121479s
-12.94590.7331891589.79N/A N/A N/A 0.0975611-29.9025-0.107105s
-7.843880.7478161587.27N/A N/A N/A 0.0977159-26.1245-0.0927262s
-2.741840.7625031584.75N/A N/A N/A 0.0978712-22.2717-0.0783423s
2.36020.7772511582.23N/A N/A N/A 0.0980269-18.3437-0.0639522s
7.462240.7920611579.72N/A N/A N/A 0.0981832-14.3404-0.0495549s
12.56430.8069321577.2N/A N/A N/A 0.09834-10.2614-0.0351497s
17.66630.8218651574.68N/A N/A N/A 0.0984972-6.10632-0.0207357s
22.76840.836861572.16N/A N/A N/A 0.098655-1.8749-0.00631208s
27.87040.8519181569.64N/A N/A N/A 0.09881332.433180.00812182s
32.97240.8670381567.13N/A N/A N/A 0.0989726.818240.0225667s
38.07450.882221564.61N/A N/A N/A 0.099131311.28060.0370233s
43.17650.8974661562.09N/A N/A N/A 0.099291115.82060.0514922s
48.27860.9127741559.57N/A N/A N/A 0.099451520.43850.065974s
53.38060.9281461557.05N/A N/A N/A 0.099612325.13470.0804693s
58.48270.9435811554.53N/A N/A N/A 0.099773729.90950.0949787s
63.58470.9590791552.02N/A N/A N/A 0.099935634.76320.109503s
68.68670.9746411549.5N/A N/A N/A 0.10009839.69610.124042s
73.78880.9902661546.98N/A N/A N/A 0.10026144.70860.138597s
78.89081.005951544.46N/A N/A N/A 0.10042449.8010.153168s
83.99291.021711541.94N/A N/A N/A 0.10058854.97360.167755s
89.09491.037521539.43N/A N/A N/A 0.10075360.22670.182359s
94.19691.05341536.91N/A N/A N/A 0.10091865.56070.196981s
99.2991.069351534.39N/A N/A N/A 0.10108470.97580.211621s
104.4011.085361531.87N/A N/A N/A 0.1012576.47250.226278s
109.5031.101431529.35N/A N/A N/A 0.10141782.0510.240955s
114.6051.117571526.83N/A N/A N/A 0.10158487.71170.25565s
119.7071.133771524.32N/A N/A N/A 0.10175293.45490.270365s
124.8091.150041521.8N/A N/A N/A 0.1019299.28090.285099s
129.9111.166371519.28N/A N/A N/A 0.102089105.190.299853s
135.0131.182761516.76N/A N/A N/A 0.102258111.1830.314627s
140.1151.199221514.24N/A N/A N/A 0.102428117.2590.329422s
145.2171.215741511.72N/A N/A N/A 0.102599123.420.344238s
150.3191.232331509.21N/A N/A N/A 0.10277129.6650.359074s
155.4211.248981506.69N/A N/A N/A 0.102942135.9950.373932s
160.5231.26571504.17N/A N/A N/A 0.103114142.410.388812s
165.6261.475141338.51N/A 0.112852N/A 0.115876282.4220.710526l
170.7281.483451333.07N/A 0.112124N/A 0.116349289.970.727628l
175.831.491471327.59N/A 0.111396N/A 0.116829297.5590.744628l
180.9321.499221322.07N/A 0.110668N/A 0.117317305.1890.761525l
186.0341.506681316.52N/A 0.109939N/A 0.117812312.8570.778318l
191.1361.513851310.92N/A 0.109211N/A 0.118315320.5620.795006l
196.2381.520741305.28N/A 0.108483N/A 0.118826328.3040.811589l
201.341.527351299.6N/A 0.107755N/A 0.119345336.080.828066l
206.4421.533671293.88N/A 0.107026N/A 0.119873343.8880.844435l
211.5441.53971288.12N/A 0.106298N/A 0.120409351.7290.860697l
216.6461.545461282.31N/A 0.10557N/A 0.120955359.5990.87685l
221.7481.550931276.45N/A 0.104841N/A 0.12151367.4980.892893l
226.851.556111270.55N/A 0.104113N/A 0.122075375.4250.908827l

Property Profiles for 4,5-Difluoro-2-hydroxybenzonitrile

Heat Capacity (Cp) vs Temperature

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Density vs Temperature

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Thermodynamic Property Profile at Constant Pressure

This page presents the temperature-dependent thermodynamic and transport properties of 4,5-Difluoro-2-hydroxybenzonitrile (CAS 186590-36-3) calculated at a constant pressure of 1 atm (101325 Pa) over the temperature range 250-500 K.

The properties shown - specific heat capacity (Cp), density (ρ), dynamic viscosity (μ), thermal conductivity (k), Prandtl number (Pr), molar volume (Vm), specific enthalpy (H), and specific entropy (S) - are among the most commonly used parameters in chemical engineering calculations, process simulation, and thermal system design.

All values are generated programmatically using validated thermodynamic correlations and equations of state and represent equilibrium properties at the specified pressure.


Understanding the Property Trends

  • Specific heat capacity (Cp) indicates the amount of energy required to raise the temperature of 4,5-Difluoro-2-hydroxybenzonitrile and is critical for energy balance and heat-exchanger design.
  • Density (ρ) and molar volume (Vm) describe volumetric behavior and are required for flow calculations, equipment sizing, and storage design.
  • Dynamic viscosity (μ) governs fluid flow resistance, influencing Reynolds number and pressure drop.
  • Thermal conductivity (k) and Prandtl number (Pr) are essential inputs for convective heat-transfer correlations.
  • Specific enthalpy (H) and specific entropy (S) are fundamental thermodynamic properties used in process modeling, compression, and expansion analysis.

Property trends with temperature may vary depending on molecular structure, intermolecular interactions, and phase stability.


Engineering Applications

The temperature-dependent properties of 4,5-Difluoro-2-hydroxybenzonitrile at atmospheric pressure are commonly required in:

  • Heat exchanger and reactor design
  • Process simulation and thermodynamic modeling
  • Fluid flow and pressure-drop calculations
  • Energy balance and equipment sizing
  • Chemical engineering education and research

These profiles are particularly useful when evaluating system performance over a wide operating temperature range under near-ambient pressure conditions.


Frequently Asked Questions

At what pressure are these properties calculated?
All properties on this page are calculated at a constant pressure of 1 atm (101325 Pa).

Can these values be used in process simulation software?
Yes. The data is suitable for preliminary design, validation, and educational use. For licensed simulators, vendor-specific property packages should be referenced.

Can I change the pressure or temperature range?
Yes. Use the interactive controls above to generate custom property profiles at different pressures or temperature ranges.


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