sodium hydrogen sulfate Thermodynamic Properties vs Temperature (CAS 7681-38-1)

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

Input Conditions

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Property Profile for sodium hydrogen sulfate

Calculated properties vs. Temperature

Profile Data

Equilibrium Thermodynamic and Transport Properties of sodium hydrogen sulfate 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
-23.150.4695142429.99N/A N/A N/A 0.0494078-24.9521-0.0910228s
-18.0480.4796982429.99N/A N/A N/A 0.0494078-22.5307-0.0814349s
-12.94590.4899342429.99N/A N/A N/A 0.0494078-20.0571-0.0718347s
-7.843880.5002212429.99N/A N/A N/A 0.0494078-17.5313-0.0622217s
-2.741840.510562429.99N/A N/A N/A 0.0494078-14.9528-0.0525953s
2.36020.5209512429.99N/A N/A N/A 0.0494078-12.3214-0.0429551s
7.462240.5313952429.99N/A N/A N/A 0.0494078-9.63684-0.0333006s
12.56430.541892429.99N/A N/A N/A 0.0494078-6.89889-0.0236315s
17.66630.5524382429.99N/A N/A N/A 0.0494078-4.10726-0.0139473s
22.76840.5630382429.99N/A N/A N/A 0.0494078-1.26168-0.00424761s
27.87040.5736912429.99N/A N/A N/A 0.04940781.638110.00546793s
32.97240.5843972429.99N/A N/A N/A 0.04940784.59240.0151997s
38.07450.5951552429.99N/A N/A N/A 0.04940787.601430.0249479s
43.17650.6059662429.99N/A N/A N/A 0.049407810.66550.0347131s
48.27860.6168312429.99N/A N/A N/A 0.049407813.78490.0444953s
53.38060.6277482429.99N/A N/A N/A 0.049407816.95980.0542951s
58.48270.6387182429.99N/A N/A N/A 0.049407820.19050.0641126s
63.58470.6497422429.99N/A N/A N/A 0.049407823.47740.073948s
68.68670.6608192429.99N/A N/A N/A 0.049407826.82060.0838018s
73.78880.6719492429.99N/A N/A N/A 0.049407830.22050.093674s
78.89080.6831322429.99N/A N/A N/A 0.049407833.67740.103565s
83.99290.6943682429.99N/A N/A N/A 0.049407837.19140.113475s
89.09490.7056582429.99N/A N/A N/A 0.049407840.76280.123404s
94.19690.7170022429.99N/A N/A N/A 0.049407844.3920.133353s
99.2990.7283992429.99N/A N/A N/A 0.049407848.07930.143321s
104.4010.7398492429.99N/A N/A N/A 0.049407851.82480.153309s
109.5030.7513532429.99N/A N/A N/A 0.049407855.62880.163317s
114.6050.7629112429.99N/A N/A N/A 0.049407859.49170.173345s
119.7070.7745222429.99N/A N/A N/A 0.049407863.41370.183394s
124.8090.7861872429.99N/A N/A N/A 0.049407867.39510.193463s
129.9110.7979052429.99N/A N/A N/A 0.049407871.43610.203552s
135.0130.8096772429.99N/A N/A N/A 0.049407875.53710.213663s
140.1150.8215032429.99N/A N/A N/A 0.049407879.69830.223794s
145.2170.8333822429.99N/A N/A N/A 0.049407883.91990.233947s
150.3190.8453162429.99N/A N/A N/A 0.049407888.20220.244121s
155.4210.8573032429.99N/A N/A N/A 0.049407892.54560.254316s
160.5230.8693432429.99N/A N/A N/A 0.049407896.95030.264533s
165.6260.8814382429.99N/A N/A N/A 0.0494078101.4170.274771s
170.7280.8935862429.99N/A N/A N/A 0.0494078105.9450.285031s
175.830.9057882429.99N/A N/A N/A 0.0494078110.5350.295313s
180.9320.9180442429.99N/A N/A N/A 0.0494078115.1880.305618s
186.0340.9303542429.99N/A N/A N/A 0.0494078119.9030.315944s
191.1360.9427182429.99N/A N/A N/A 0.0494078124.6810.326292s
196.2380.9551352429.99N/A N/A N/A 0.0494078129.5220.336663s
201.340.9676062429.99N/A N/A N/A 0.0494078134.4270.347056s
206.4420.9801322429.99N/A N/A N/A 0.0494078139.3960.357472s
211.5440.9927112429.99N/A N/A N/A 0.0494078144.4290.36791s
216.6461.005342429.99N/A N/A N/A 0.0494078149.5260.378371s
221.7481.018032429.99N/A N/A N/A 0.0494078154.6880.388855s
226.851.030772429.99N/A N/A N/A 0.0494078159.9140.399361s

Thermodynamic Property Profile at Constant Pressure

This page presents the temperature-dependent thermodynamic and transport properties of sodium hydrogen sulfate (CAS 7681-38-1) 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 sodium hydrogen sulfate 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 sodium hydrogen sulfate 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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