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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
1050	Carbon dioxide	124-38-9	CO₂	Overview	Details
1051	Methane	74-82-8	CH₄	Overview	Details
17221	Tri-n-butylphosphinoxide	814-29-9	C₁₂H₂₇OP	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	363	260	n.a.
1050	Carbon dioxide		178	n.a.
1051	Methane			n.a.

**Heats of Mixing (HE)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	60	65	n.a.
1050	Carbon dioxide		84	n.a.
1051	Methane			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	403	128	n.a.
1050	Carbon dioxide		n.a.	n.a.
1051	Methane			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	37	n.a.	n.a.
1050	Carbon dioxide		n.a.	n.a.
1051	Methane			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	29	11	n.a.
1050	Carbon dioxide		65	n.a.
1051	Methane			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	1	1	1
1050	Carbon dioxide		31	n.a.
1051	Methane			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	26	17	4
1050	Carbon dioxide		31	n.a.
1051	Methane			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	13	5	n.a.
1050	Carbon dioxide		13	n.a.
1051	Methane			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	21	n.a.	n.a.
1050	Carbon dioxide		36	n.a.
1051	Methane			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	70	51	n.a.
1050	Carbon dioxide		2	n.a.
1051	Methane			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	2	9	n.a.
1050	Carbon dioxide		22	n.a.
1051	Methane			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	173	20	n.a.
1050	Carbon dioxide		134	n.a.
1051	Methane			n.a.

**Gas Hydrate Data (GHD)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	251	246	n.a.
1050	Carbon dioxide		n.a.	n.a.
1051	Methane			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	8	n.a.	n.a.
1050	Carbon dioxide		n.a.	n.a.
1051	Methane			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	28	8	n.a.
1050	Carbon dioxide		7	n.a.
1051	Methane			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	103	55	n.a.
1050	Carbon dioxide		50	n.a.
1051	Methane			n.a.

**Total**
DDB#	Name	1050	1051	17221	Tri-n-butylphosphinoxide
174	Water	1588	876	5
1050	Carbon dioxide		653	n.a.
1051	Methane			n.a.

Dortmund Data Bank Version: February 2024

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