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Thermophysical Data for Process Design
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Query

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DDB#	Name	CAS-RN	Formula
25	Ethylbenzene	100-41-4	C₈H₁₀	Overview	Details
31	Benzene	71-43-2	C₆H₆	Overview	Details
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
161	Toluene	108-88-3	C₇H₈	Overview	Details
383	Cyclooctane	292-64-8	C₈H₁₆	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	7	23	15	3
31	Benzene		107	64	3
91	Heptane			52	2
161	Toluene				6

**Heats of Mixing (HE)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	4	5	4	1
31	Benzene		32	28	3
91	Heptane			18	4
161	Toluene				2

**Gas Solubilities (GLE)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	n.a.	n.a.	n.a.	n.a.
31	Benzene		n.a.	1	n.a.
91	Heptane			n.a.	n.a.
161	Toluene				n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	3	13	2	n.a.
31	Benzene		27	5	n.a.
91	Heptane			9	n.a.
161	Toluene				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	23	1	1	n.a.
31	Benzene		5	6	1
91	Heptane			8	n.a.
161	Toluene				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	8	17	14	3
31	Benzene		80	69	3
91	Heptane			44	2
161	Toluene				6

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	4	2	2	n.a.
31	Benzene		4	11	2
91	Heptane			3	n.a.
161	Toluene				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	19	10	18	n.a.
31	Benzene		45	52	7
91	Heptane			49	9
161	Toluene				2

**Critical Data of Mixtures (CRI)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	1	1	1	n.a.
31	Benzene		2	4	1
91	Heptane			n.a.	1
161	Toluene				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	51	10	27	6
31	Benzene		52	65	7
91	Heptane			18	10
161	Toluene				7

**Mixture Surface Tensions (MSFT)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	n.a.	n.a.	n.a.	n.a.
31	Benzene		6	10	n.a.
91	Heptane			5	n.a.
161	Toluene				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	n.a.	1	1	1
31	Benzene		10	9	2
91	Heptane			8	n.a.
161	Toluene				2

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	n.a.	n.a.	n.a.	n.a.
31	Benzene		2	20	n.a.
91	Heptane			5	n.a.
161	Toluene				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	5	n.a.	n.a.	n.a.
31	Benzene		1	13	n.a.
91	Heptane			n.a.	n.a.
161	Toluene				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	1	5	1	n.a.
31	Benzene		3	7	n.a.
91	Heptane			3	n.a.
161	Toluene				n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	n.a.	1	n.a.	n.a.
31	Benzene		n.a.	n.a.	n.a.
91	Heptane			n.a.	n.a.
161	Toluene				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	n.a.	4	n.a.	n.a.
31	Benzene		13	4	n.a.
91	Heptane			6	n.a.
161	Toluene				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	1	n.a.	n.a.	n.a.
31	Benzene		3	4	n.a.
91	Heptane			1	n.a.
161	Toluene				n.a.

**Total**
DDB#	Name	31	91	161	383	Cyclooctane
25	Ethylbenzene	127	93	86	14
31	Benzene		392	372	29
91	Heptane			229	28
161	Toluene				25

Dortmund Data Bank Version: February 2024

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