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Thermophysical Data for Process Design
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Query

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DDB#	Name	CAS-RN	Formula
41	n-Butane	106-97-8	C₄H₁₀	Overview	Details
89	Hexane	110-54-3	C₆H₁₄	Overview	Details
128	Octane	111-65-9	C₈H₁₈	Overview	Details
237	Propane	74-98-6	C₃H₈	Overview	Details
1051	Methane	74-82-8	CH₄	Overview	Details
1054	Ethane	74-84-0	C₂H₆	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	40	29	81	115	58
89	Hexane		15	66	103	14
128	Octane			38	35	14
237	Propane				143	90
1051	Methane					171

**Heats of Mixing (HE)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	4	3	n.a.	10	3
89	Hexane		8	3	6	3
128	Octane			3	2	2
237	Propane				13	28
1051	Methane					11

**Gas Solubilities (GLE)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	3	4	n.a.	1	1
89	Hexane		1	6	17	6
128	Octane			3	15	3
237	Propane				1	n.a.
1051	Methane					n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	n.a.	n.a.	n.a.
89	Hexane		11	n.a.	n.a.	n.a.
128	Octane			n.a.	n.a.	n.a.
237	Propane				n.a.	n.a.
1051	Methane					n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	n.a.	n.a.	n.a.
89	Hexane		n.a.	n.a.	13	n.a.
128	Octane			n.a.	n.a.	n.a.
237	Propane				n.a.	n.a.
1051	Methane					n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	n.a.	3	n.a.
89	Hexane		1	n.a.	n.a.	n.a.
128	Octane			n.a.	n.a.	n.a.
237	Propane				9	n.a.
1051	Methane					n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	13	2	38	36	21
89	Hexane		16	6	28	4
128	Octane			1	8	5
237	Propane				34	28
1051	Methane					53

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	n.a.	5	2
89	Hexane		1	1	12	1
128	Octane			n.a.	7	2
237	Propane				2	2
1051	Methane					5

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	145	1	1
89	Hexane		29	n.a.	n.a.	n.a.
128	Octane			n.a.	n.a.	n.a.
237	Propane				4	40
1051	Methane					42

**Critical Data of Mixtures (CRI)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	3	2	9	7	10
89	Hexane		3	4	11	3
128	Octane			3	1	2
237	Propane				8	6
1051	Methane					6

**Mixture Viscosities (VIS)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	1	1	5	32	5
89	Hexane		17	n.a.	5	1
128	Octane			1	3	1
237	Propane				93	13
1051	Methane					43

**Mixture Surface Tensions (MSFT)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	n.a.	n.a.	n.a.
89	Hexane		7	9	1	n.a.
128	Octane			n.a.	5	n.a.
237	Propane				5	n.a.
1051	Methane					9

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	n.a.	10	n.a.
89	Hexane		4	n.a.	n.a.	n.a.
128	Octane			n.a.	5	n.a.
237	Propane				21	n.a.
1051	Methane					11

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	n.a.	7	n.a.
89	Hexane		4	n.a.	n.a.	n.a.
128	Octane			n.a.	n.a.	n.a.
237	Propane				12	n.a.
1051	Methane					1

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	2	1	n.a.
89	Hexane		n.a.	n.a.	n.a.	n.a.
128	Octane			n.a.	n.a.	n.a.
237	Propane				3	1
1051	Methane					6

**Mixture P-v-T Data (MPVT)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	16	5	34	185	13
89	Hexane		33	9	30	n.a.
128	Octane			13	10	6
237	Propane				160	88
1051	Methane					81

**Mixture Flash Points (MFLP)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	n.a.	n.a.	n.a.
89	Hexane		2	n.a.	n.a.	n.a.
128	Octane			n.a.	n.a.	n.a.
237	Propane				n.a.	n.a.
1051	Methane					n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	n.a.	n.a.	1	1	1
89	Hexane		n.a.	n.a.	11	8
128	Octane			n.a.	11	8
237	Propane				15	1
1051	Methane					1

**Further Thermodynamic Properties (X)**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	1	1	1	10	1
89	Hexane		2	2	5	2
128	Octane			1	6	1
237	Propane				77	5
1051	Methane					65

**Total**
DDB#	Name	89	128	237	1051	1054	Ethane
41	n-Butane	81	47	316	424	116
89	Hexane		154	106	242	42
128	Octane			63	108	44
237	Propane				600	302
1051	Methane					505

Dortmund Data Bank Version: February 2024

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