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Thermophysical Data for Process Design
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Query

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DDB#	Name	CAS-RN	Formula
31	Benzene	71-43-2	C₆H₆	Overview	Details
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
161	Toluene	108-88-3	C₇H₈	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
176	p-Xylene	106-42-3	C₈H₁₀	Overview	Details
1285	Tetraethylene glycol	112-60-7	C₈H₁₈O₅	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	107	64	34	4	1
91	Heptane		52	2	11	n.a.
161	Toluene			8	9	1
174	Water				5	7
176	p-Xylene					n.a.

**Heats of Mixing (HE)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	32	28	76	18	n.a.
91	Heptane		18	19	2	n.a.
161	Toluene			n.a.	9	n.a.
174	Water				n.a.	2
176	p-Xylene					n.a.

**Gas Solubilities (GLE)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	n.a.	1	44	n.a.	n.a.
91	Heptane		n.a.	5	n.a.	n.a.
161	Toluene			49	1	n.a.
174	Water				14	n.a.
176	p-Xylene					n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	27	5	291	4	15
91	Heptane		9	63	6	17
161	Toluene			190	3	14
174	Water				51	6
176	p-Xylene					1

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	n.a.	n.a.	183	n.a.	n.a.
91	Heptane		n.a.	46	n.a.	5
161	Toluene			136	n.a.	n.a.
174	Water				41	n.a.
176	p-Xylene					n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	5	6	1	3	n.a.
91	Heptane		8	n.a.	n.a.	n.a.
161	Toluene			n.a.	1	n.a.
174	Water				n.a.	6
176	p-Xylene					n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	80	69	54	5	1
91	Heptane		44	20	9	n.a.
161	Toluene			36	10	1
174	Water				2	2
176	p-Xylene					n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	4	11	2	10	n.a.
91	Heptane		3	n.a.	n.a.	n.a.
161	Toluene			n.a.	6	n.a.
174	Water				n.a.	3
176	p-Xylene					n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	45	52	159	57	3
91	Heptane		49	42	8	n.a.
161	Toluene			2	12	1
174	Water				n.a.	57
176	p-Xylene					n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	2	4	10	n.a.	n.a.
91	Heptane		n.a.	12	n.a.	n.a.
161	Toluene			10	n.a.	n.a.
174	Water				5	n.a.
176	p-Xylene					n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	52	65	n.a.	18	n.a.
91	Heptane		18	1	6	n.a.
161	Toluene			1	9	n.a.
174	Water				n.a.	19
176	p-Xylene					n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	6	10	13	7	n.a.
91	Heptane		5	14	n.a.	n.a.
161	Toluene			24	n.a.	n.a.
174	Water				1	1
176	p-Xylene					n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	10	9	n.a.	7	n.a.
91	Heptane		8	n.a.	n.a.	n.a.
161	Toluene			n.a.	n.a.	n.a.
174	Water				n.a.	24
176	p-Xylene					n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	2	20	n.a.	2	n.a.
91	Heptane		5	n.a.	n.a.	n.a.
161	Toluene			n.a.	n.a.	n.a.
174	Water				n.a.	n.a.
176	p-Xylene					n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	1	13	23	2	1
91	Heptane		n.a.	n.a.	n.a.	n.a.
161	Toluene			n.a.	n.a.	n.a.
174	Water				n.a.	6
176	p-Xylene					n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	3	7	19	2	n.a.
91	Heptane		3	23	n.a.	n.a.
161	Toluene			33	n.a.	n.a.
174	Water				1	n.a.
176	p-Xylene					n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	n.a.	n.a.	1	n.a.	n.a.
91	Heptane		n.a.	n.a.	n.a.	n.a.
161	Toluene			n.a.	n.a.	n.a.
174	Water				n.a.	n.a.
176	p-Xylene					n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	13	4	3	n.a.	n.a.
91	Heptane		6	n.a.	n.a.	n.a.
161	Toluene			1	n.a.	n.a.
174	Water				n.a.	8
176	p-Xylene					n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	3	4	28	2	n.a.
91	Heptane		1	12	n.a.	n.a.
161	Toluene			19	n.a.	n.a.
174	Water				2	n.a.
176	p-Xylene					n.a.

**Total**
DDB#	Name	91	161	174	176	1285	Tetraethylene glycol
31	Benzene	392	372	941	141	21
91	Heptane		229	259	42	22
161	Toluene			509	60	17
174	Water				122	141
176	p-Xylene					1

Dortmund Data Bank Version: February 2024

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