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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
8	1,2-Ethanediol	107-21-1	C₂H₆O₂	Overview	Details
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
237	Propane	74-98-6	C₃H₈	Overview	Details
1051	Methane	74-82-8	CH₄	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	66	5	39
91	Heptane		2	21	80
174	Water			89	260
237	Propane				143

**Heats of Mixing (HE)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	3	18	n.a.	n.a.
91	Heptane		19	3	8
174	Water			5	65
237	Propane				13

**Gas Solubilities (GLE)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	1	3	13
91	Heptane		5	2	21
174	Water			21	128
237	Propane				1

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	60	19	n.a.	n.a.
91	Heptane		63	n.a.	n.a.
174	Water			46	n.a.
237	Propane				n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	14	n.a.	n.a.	n.a.
91	Heptane		46	n.a.	3
174	Water			15	n.a.
237	Propane				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	47	n.a.	n.a.
91	Heptane		n.a.	n.a.	17
174	Water			n.a.	n.a.
237	Propane				9

**(A)zeotropic Data (AZD)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	1	43	n.a.	n.a.
91	Heptane		20	5	24
174	Water			16	11
237	Propane				34

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	30	n.a.	n.a.
91	Heptane		n.a.	1	5
174	Water			n.a.	1
237	Propane				2

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	243	n.a.	n.a.
91	Heptane		42	n.a.	n.a.
174	Water			n.a.	17
237	Propane				4

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	1	n.a.	n.a.	n.a.
91	Heptane		12	3	10
174	Water			5	5
237	Propane				8

**Mixture Viscosities (VIS)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	163	n.a.	n.a.
91	Heptane		1	15	11
174	Water			n.a.	n.a.
237	Propane				93

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	30	n.a.	n.a.
91	Heptane		14	1	3
174	Water			7	51
237	Propane				5

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	48	n.a.	n.a.
91	Heptane		n.a.	n.a.	8
174	Water			n.a.	n.a.
237	Propane				21

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	80	n.a.	n.a.
91	Heptane		n.a.	n.a.	n.a.
174	Water			n.a.	9
237	Propane				12

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	42	n.a.	n.a.
91	Heptane		n.a.	n.a.	n.a.
174	Water			n.a.	n.a.
237	Propane				3

**Mixture P-v-T Data (MPVT)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	25	n.a.	n.a.
91	Heptane		23	6	82
174	Water			n.a.	20
237	Propane				160

**Gas Hydrate Data (GHD)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	n.a.	n.a.	n.a.
91	Heptane		n.a.	n.a.	n.a.
174	Water			68	246
237	Propane				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	9	n.a.	n.a.
91	Heptane		n.a.	n.a.	n.a.
174	Water			n.a.	n.a.
237	Propane				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	n.a.	3	n.a.	n.a.
91	Heptane		n.a.	n.a.	5
174	Water			2	8
237	Propane				15

**Further Thermodynamic Properties (X)**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	1	40	1	1
91	Heptane		12	19	26
174	Water			34	55
237	Propane				77

**Total**
DDB#	Name	91	174	237	1051	Methane
8	1,2-Ethanediol	80	907	9	53
91	Heptane		259	76	303
174	Water			308	876
237	Propane				600

Dortmund Data Bank Version: February 2024

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