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 Dortmund Data Bank
Thermophysical Data for Process Design
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Query
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DDB# Name CAS-RN Formula
53 Methylcyclohexane 108-87-2 C7H14 Overview Details
174 Water 7732-18-5 H2O Overview Details
251 ε-Caprolactam 105-60-2 C6H11NO Overview Details
343 1-Heptanol 111-70-6 C7H16O Overview Details
6325 Ammonium sulfate 7783-20-2 H8N2O4S Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 8 n.a. n.a. n.a.
174 Water 20 n.a. n.a.
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Heats of Mixing (HE)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. 1 n.a.
174 Water n.a. 2 n.a.
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Gas Solubilities (GLE)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 4 n.a. n.a. n.a.
174 Water n.a. 3 n.a.
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 28 2 1 n.a.
174 Water n.a. 74 n.a.
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 13 n.a. n.a. n.a.
174 Water n.a. 37 n.a.
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

(A)zeotropic Data (AZD)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 10 n.a. n.a. n.a.
174 Water 15 6 n.a.
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. 1 n.a.
174 Water 9 n.a. 2
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Vapor-Liquid Equilibria of Electrolyte Systems (ELE)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. n.a. n.a.
174 Water n.a. n.a. 20
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. 3 n.a.
174 Water 7 6 40
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Salt Solubilities (ESLE)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. n.a. n.a.
174 Water n.a. n.a. 184
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Critical Data of Mixtures (CRI)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 1 n.a. n.a. n.a.
174 Water n.a. n.a. 1
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Mixture Viscosities (VIS)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. 11 n.a.
174 Water 1 n.a. 23
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 1 n.a. n.a. n.a.
174 Water 6 5 10
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. 2 n.a.
174 Water n.a. 1 9
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. n.a. n.a.
174 Water n.a. n.a. 8
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. n.a. n.a.
174 Water 1 n.a. n.a.
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. n.a. n.a.
174 Water n.a. n.a. 1
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Electrical Conductivities (ECND)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. n.a. n.a.
174 Water n.a. n.a. 15
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Diffusion Coefficients (DIF)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane n.a. n.a. n.a. n.a.
174 Water n.a. 1 1
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Further Thermodynamic Properties (X)
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 2 n.a. n.a. n.a.
174 Water 1 4 15
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Total
DDB# Name 174 251 343 6325 Ammonium sulfate
53 Methylcyclohexane 67 2 19 n.a.
174 Water 60 139 329
251 ε-Caprolactam n.a. n.a.
343 1-Heptanol n.a.

Dortmund Data Bank Version: February 2024
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