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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
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
134	Pentane	109-66-0	C₅H₁₂	Overview	Details
161	Toluene	108-88-3	C₇H₈	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	134	161	237	1051	1054	Ethane
91	Heptane	18	52	21	80	35
134	Pentane		11	51	115	25
161	Toluene			10	43	14
237	Propane				143	90
1051	Methane					171

**Heats of Mixing (HE)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	4	18	3	8	n.a.
134	Pentane		n.a.	n.a.	9	n.a.
161	Toluene			n.a.	2	n.a.
237	Propane				13	28
1051	Methane					11

**Gas Solubilities (GLE)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	n.a.	n.a.	2	21	10
134	Pentane		n.a.	1	3	1
161	Toluene			10	9	4
237	Propane				1	n.a.
1051	Methane					n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	7	9	n.a.	n.a.	n.a.
134	Pentane		26	n.a.	n.a.	n.a.
161	Toluene			5	n.a.	n.a.
237	Propane				n.a.	n.a.
1051	Methane					n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	n.a.	n.a.	n.a.	3	n.a.
134	Pentane		n.a.	n.a.	n.a.	n.a.
161	Toluene			n.a.	5	n.a.
237	Propane				n.a.	n.a.
1051	Methane					n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	n.a.	8	n.a.	17	n.a.
134	Pentane		n.a.	n.a.	n.a.	n.a.
161	Toluene			n.a.	n.a.	n.a.
237	Propane				9	n.a.
1051	Methane					n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	14	44	5	24	7
134	Pentane		2	23	54	6
161	Toluene			n.a.	12	3
237	Propane				34	28
1051	Methane					53

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	n.a.	3	1	5	1
134	Pentane		n.a.	1	7	1
161	Toluene			1	2	n.a.
237	Propane				2	2
1051	Methane					5

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	27	49	n.a.	n.a.	n.a.
134	Pentane		4	n.a.	n.a.	n.a.
161	Toluene			n.a.	34	n.a.
237	Propane				4	40
1051	Methane					42

**Critical Data of Mixtures (CRI)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	4	n.a.	3	10	6
134	Pentane		2	3	4	5
161	Toluene			n.a.	8	n.a.
237	Propane				8	6
1051	Methane					6

**Mixture Viscosities (VIS)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	13	18	15	11	8
134	Pentane		2	n.a.	1	n.a.
161	Toluene			4	35	1
237	Propane				93	13
1051	Methane					43

**Mixture Surface Tensions (MSFT)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	5	5	1	3	n.a.
134	Pentane		1	9	1	1
161	Toluene			n.a.	n.a.	n.a.
237	Propane				5	n.a.
1051	Methane					9

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	n.a.	8	n.a.	8	n.a.
134	Pentane		n.a.	n.a.	n.a.	n.a.
161	Toluene			n.a.	n.a.	n.a.
237	Propane				21	n.a.
1051	Methane					11

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	n.a.	5	n.a.	n.a.	n.a.
134	Pentane		n.a.	4	n.a.	n.a.
161	Toluene			n.a.	n.a.	n.a.
237	Propane				12	n.a.
1051	Methane					1

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	n.a.	n.a.	n.a.	n.a.	n.a.
134	Pentane		n.a.	n.a.	n.a.	n.a.
161	Toluene			n.a.	n.a.	n.a.
237	Propane				3	1
1051	Methane					6

**Mixture P-v-T Data (MPVT)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	11	3	6	82	10
134	Pentane		1	45	79	92
161	Toluene			4	6	5
237	Propane				160	88
1051	Methane					81

**Diffusion Coefficients (DIF)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	n.a.	6	n.a.	5	n.a.
134	Pentane		n.a.	n.a.	n.a.	n.a.
161	Toluene			n.a.	8	1
237	Propane				15	1
1051	Methane					1

**Further Thermodynamic Properties (X)**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	1	1	19	26	2
134	Pentane		n.a.	4	1	6
161	Toluene			1	14	n.a.
237	Propane				77	5
1051	Methane					65

**Total**
DDB#	Name	134	161	237	1051	1054	Ethane
91	Heptane	104	229	76	303	79
134	Pentane		49	141	274	137
161	Toluene			35	178	28
237	Propane				600	302
1051	Methane					505

Dortmund Data Bank Version: February 2024

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