1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one Thermodynamic Properties vs Temperature (CAS 5334-56-5)

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

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Property Profile for 1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one

Calculated properties vs. Temperature

Profile Data

Equilibrium Thermodynamic and Transport Properties of 1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one 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
-23.150.8627471121.6N/A N/A N/A 0.133861-45.4527-0.165847s
-18.0480.8798081120.25N/A N/A N/A 0.134021-41.0074-0.148245s
-12.94590.8969261118.91N/A N/A N/A 0.134183-36.475-0.130654s
-7.843880.9141031117.56N/A N/A N/A 0.134344-31.855-0.113071s
-2.741840.9313381116.22N/A N/A N/A 0.134506-27.1473-0.0954958s
2.36020.9486321114.87N/A N/A N/A 0.134669-22.3515-0.077926s
7.462240.9659851113.52N/A N/A N/A 0.134831-17.4673-0.0603608s
12.56430.9833991112.18N/A N/A N/A 0.134995-12.4944-0.0427989s
17.66631.000871110.83N/A N/A N/A 0.135158-7.43248-0.0252391s
22.76841.018411109.49N/A N/A N/A 0.135322-2.28129-0.00768021s
27.87041.0361108.14N/A N/A N/A 0.1354872.959530.00987874s
32.97241.053661106.79N/A N/A N/A 0.1356518.290260.0274388s
38.07451.071381105.45N/A N/A N/A 0.13581713.71120.045001s
43.17651.089161104.1N/A N/A N/A 0.13598219.22280.0625662s
48.27861.1071102.76N/A N/A N/A 0.13614824.82520.0801353s
53.38061.12491101.41N/A N/A N/A 0.13631430.51880.0977092s
58.48271.142871100.06N/A N/A N/A 0.13648136.30380.115289s
63.58471.160891098.72N/A N/A N/A 0.13664942.18080.132875s
68.68671.178981097.37N/A N/A N/A 0.13681648.14980.150468s
73.78881.197141096.02N/A N/A N/A 0.13698454.21130.168068s
78.89081.215351094.68N/A N/A N/A 0.13715360.36560.185678s
83.99291.233631093.33N/A N/A N/A 0.13732166.6130.203296s
89.09491.251981091.99N/A N/A N/A 0.13749172.95380.220925s
94.19691.270381090.64N/A N/A N/A 0.1376679.38840.238563s
99.2991.288851089.29N/A N/A N/A 0.13783185.9170.256213s
104.4011.307391087.95N/A N/A N/A 0.13800192.540.273875s
109.5031.325981086.6N/A N/A N/A 0.13817299.25780.291548s
114.6051.344641085.26N/A N/A N/A 0.138343106.0710.309234s
119.7071.363371083.91N/A N/A N/A 0.138515112.9790.326934s
124.8091.382151082.56N/A N/A N/A 0.138687119.9830.344647s
129.9111.401011081.22N/A N/A N/A 0.13886127.0820.362374s
135.0131.419921079.87N/A N/A N/A 0.139033134.2790.380115s
140.1151.43891078.53N/A N/A N/A 0.139207141.5720.397872s
145.2171.457941077.18N/A N/A N/A 0.139381148.9610.415644s
150.3191.477051075.83N/A N/A N/A 0.139555156.4490.433431s
155.4211.496221074.49N/A N/A N/A 0.13973164.0340.451235s
160.5231.515461073.14N/A N/A N/A 0.139905171.7160.469056s
165.6261.534761071.8N/A N/A N/A 0.140081179.4970.486893s
170.7281.554131070.45N/A N/A N/A 0.140257187.3770.504748s
175.831.573561069.1N/A N/A N/A 0.140434195.3560.522621s
180.9321.593051067.76N/A N/A N/A 0.140611203.4340.540511s
186.0341.612611066.41N/A N/A N/A 0.140788211.6120.55842s
191.1361.632231065.07N/A N/A N/A 0.140966219.8890.576347s
196.2381.651921063.72N/A N/A N/A 0.141144228.2670.594293s
201.341.671671062.37N/A N/A N/A 0.141323236.7460.612258s
206.4421.691491061.03N/A N/A N/A 0.141503245.3250.630243s
211.5441.711371059.68N/A N/A N/A 0.141682254.0060.648247s
216.6461.731311058.33N/A N/A N/A 0.141863262.7880.666272s
221.7481.751321056.99N/A N/A N/A 0.142043271.6730.684316s
226.851.77141055.64N/A N/A N/A 0.142224280.6590.702382s

Property Profiles for 1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one

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 1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one (CAS 5334-56-5) 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 1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one 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 1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one 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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