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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
50	Cyclohexane	110-82-7	C₆H₁₂	Overview	Details
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
134	Pentane	109-66-0	C₅H₁₂	Overview	Details
161	Toluene	108-88-3	C₇H₈	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	36	4	51
91	Heptane		18	52
134	Pentane			11

**Heats of Mixing (HE)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	18	2	18
91	Heptane		4	18
134	Pentane			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	n.a.	n.a.	1
91	Heptane		n.a.	n.a.
134	Pentane			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	9	4	5
91	Heptane		7	9
134	Pentane			26

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	12	n.a.	1
91	Heptane		n.a.	8
134	Pentane			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	30	4	41
91	Heptane		14	44
134	Pentane			2

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	n.a.	n.a.	3
91	Heptane		n.a.	3
134	Pentane			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	71	13	34
91	Heptane		27	49
134	Pentane			4

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	3	1	2
91	Heptane		4	n.a.
134	Pentane			2

**Mixture Viscosities (VIS)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	13	4	32
91	Heptane		13	18
134	Pentane			2

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	5	1	5
91	Heptane		5	5
134	Pentane			1

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	3	n.a.	18
91	Heptane		n.a.	8
134	Pentane			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	n.a.	n.a.	4
91	Heptane		n.a.	5
134	Pentane			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	n.a.	n.a.	1
91	Heptane		n.a.	n.a.
134	Pentane			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	13	1	1
91	Heptane		11	3
134	Pentane			1

**Diffusion Coefficients (DIF)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	4	n.a.	11
91	Heptane		n.a.	6
134	Pentane			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	n.a.	8	2
91	Heptane		1	1
134	Pentane			n.a.

**Total**
DDB#	Name	91	134	161	Toluene
50	Cyclohexane	217	42	230
91	Heptane		104	229
134	Pentane			49

Dortmund Data Bank Version: February 2024

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