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Thermophysical Data for Process Design
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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
1054	Ethane	74-84-0	C₂H₆	Overview	Details
3264	Tetra-n-butylammonium bromide	1643-19-2	C₁₆H₃₆BrN	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	1054	3264	Tetra-n-butylammonium bromide
174	Water	363	260	94	n.a.
1050	Carbon dioxide		178	85	n.a.
1051	Methane			171	n.a.
1054	Ethane				n.a.

**Heats of Mixing (HE)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	60	65	4	n.a.
1050	Carbon dioxide		84	136	n.a.
1051	Methane			11	n.a.
1054	Ethane				n.a.

**Gas Solubilities (GLE)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	403	128	67	n.a.
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			n.a.	n.a.
1054	Ethane				n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	n.a.	n.a.	15	n.a.
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			n.a.	n.a.
1054	Ethane				n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	37	n.a.	4	2
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			n.a.	n.a.
1054	Ethane				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	n.a.	n.a.	n.a.	1
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			n.a.	n.a.
1054	Ethane				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	29	11	9	n.a.
1050	Carbon dioxide		65	53	n.a.
1051	Methane			53	n.a.
1054	Ethane				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	1	1	n.a.	19
1050	Carbon dioxide		31	6	n.a.
1051	Methane			5	n.a.
1054	Ethane				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	n.a.	n.a.	n.a.	12
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			n.a.	n.a.
1054	Ethane				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	26	17	n.a.	97
1050	Carbon dioxide		31	106	n.a.
1051	Methane			42	n.a.
1054	Ethane				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	n.a.	n.a.	n.a.	3
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			n.a.	n.a.
1054	Ethane				n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	13	5	6	n.a.
1050	Carbon dioxide		13	12	n.a.
1051	Methane			6	n.a.
1054	Ethane				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	21	n.a.	n.a.	38
1050	Carbon dioxide		36	35	n.a.
1051	Methane			43	n.a.
1054	Ethane				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	70	51	6	2
1050	Carbon dioxide		2	n.a.	n.a.
1051	Methane			9	n.a.
1054	Ethane				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	n.a.	n.a.	n.a.	30
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			11	n.a.
1054	Ethane				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	2	9	n.a.	n.a.
1050	Carbon dioxide		22	12	n.a.
1051	Methane			1	n.a.
1054	Ethane				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	n.a.	n.a.	n.a.	n.a.
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			6	n.a.
1054	Ethane				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	173	20	2	6
1050	Carbon dioxide		134	217	n.a.
1051	Methane			81	n.a.
1054	Ethane				n.a.

**Gas Hydrate Data (GHD)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	251	246	67	12
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			n.a.	n.a.
1054	Ethane				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	8	n.a.	n.a.	31
1050	Carbon dioxide		n.a.	n.a.	n.a.
1051	Methane			n.a.	n.a.
1054	Ethane				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	28	8	2	1
1050	Carbon dioxide		7	1	n.a.
1051	Methane			1	n.a.
1054	Ethane				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	103	55	16	31
1050	Carbon dioxide		50	26	n.a.
1051	Methane			65	n.a.
1054	Ethane				n.a.

**Total**
DDB#	Name	1050	1051	1054	3264	Tetra-n-butylammonium bromide
174	Water	1588	876	292	285
1050	Carbon dioxide		653	689	n.a.
1051	Methane			505	n.a.
1054	Ethane				n.a.

Dortmund Data Bank Version: February 2024

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