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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
174 Water 7732-18-5 H2O Overview Details
1051 Methane 74-82-8 CH4 Overview Details
1052 Oxygen 7782-44-7 O2 Overview Details
1056 Nitrogen 7727-37-9 N2 Overview Details
17221 Tri-n-butylphosphinoxide 814-29-9 C12H27OP Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 260 29 122 n.a.
1051 Methane 1 140 n.a.
1052 Oxygen 80 n.a.
1056 Nitrogen n.a.

Heats of Mixing (HE)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 65 1 128 n.a.
1051 Methane n.a. 50 n.a.
1052 Oxygen 11 n.a.
1056 Nitrogen n.a.

Gas Solubilities (GLE)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 128 231 265 n.a.
1051 Methane n.a. n.a. n.a.
1052 Oxygen n.a. n.a.
1056 Nitrogen n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water n.a. n.a. n.a. n.a.
1051 Methane n.a. 4 n.a.
1052 Oxygen n.a. n.a.
1056 Nitrogen n.a.

(A)zeotropic Data (AZD)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 11 5 2 n.a.
1051 Methane n.a. 58 n.a.
1052 Oxygen 36 n.a.
1056 Nitrogen n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 1 1 1 1
1051 Methane 6 8 n.a.
1052 Oxygen 2 n.a.
1056 Nitrogen n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 17 n.a. 15 4
1051 Methane n.a. 71 n.a.
1052 Oxygen 9 n.a.
1056 Nitrogen n.a.

Critical Data of Mixtures (CRI)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 5 1 2 n.a.
1051 Methane 1 6 n.a.
1052 Oxygen 2 n.a.
1056 Nitrogen n.a.

Mixture Viscosities (VIS)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water n.a. 2 n.a. n.a.
1051 Methane n.a. 55 n.a.
1052 Oxygen 20 n.a.
1056 Nitrogen n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 51 3 28 n.a.
1051 Methane n.a. 15 n.a.
1052 Oxygen 6 n.a.
1056 Nitrogen n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water n.a. n.a. n.a. n.a.
1051 Methane n.a. 6 n.a.
1052 Oxygen n.a. n.a.
1056 Nitrogen n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 9 4 2 n.a.
1051 Methane n.a. 21 n.a.
1052 Oxygen 6 n.a.
1056 Nitrogen n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water n.a. n.a. n.a. n.a.
1051 Methane n.a. 16 n.a.
1052 Oxygen n.a. n.a.
1056 Nitrogen n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 20 n.a. 12 n.a.
1051 Methane n.a. 118 n.a.
1052 Oxygen n.a. n.a.
1056 Nitrogen n.a.

Mixture Flash Points (MFLP)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water n.a. n.a. n.a. n.a.
1051 Methane 1 n.a. n.a.
1052 Oxygen n.a. n.a.
1056 Nitrogen n.a.

Gas Hydrate Data (GHD)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 246 9 30 n.a.
1051 Methane n.a. n.a. n.a.
1052 Oxygen n.a. n.a.
1056 Nitrogen n.a.

Diffusion Coefficients (DIF)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 8 4 6 n.a.
1051 Methane n.a. 2 n.a.
1052 Oxygen 5 n.a.
1056 Nitrogen n.a.

Further Thermodynamic Properties (X)
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 55 7 18 n.a.
1051 Methane 1 44 n.a.
1052 Oxygen 9 n.a.
1056 Nitrogen n.a.

Total
DDB# Name 1051 1052 1056 17221 Tri-n-butylphosphinoxide
174 Water 876 297 631 5
1051 Methane 10 614 n.a.
1052 Oxygen 186 n.a.
1056 Nitrogen n.a.

Dortmund Data Bank Version: February 2024
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