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Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
89	Hexane	110-54-3	C₆H₁₄	Overview	Details
148	Sulfuric acid	7664-93-9	H₂O₄S	Overview	Details
153	tert-Butanol	75-65-0	C₄H₁₀O	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	6	32
148	Sulfuric acid		n.a.	150
153	tert-Butanol			56

**Heats of Mixing (HE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	4	16
148	Sulfuric acid		n.a.	3
153	tert-Butanol			14

**Gas Solubilities (GLE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	7
148	Sulfuric acid		n.a.	n.a.
153	tert-Butanol			4

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	7	80
148	Sulfuric acid		n.a.	n.a.
153	tert-Butanol			25

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	58
148	Sulfuric acid		n.a.	n.a.
153	tert-Butanol			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	1	n.a.
148	Sulfuric acid		n.a.	22
153	tert-Butanol			24

**(A)zeotropic Data (AZD)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	10	37
148	Sulfuric acid		n.a.	41
153	tert-Butanol			63

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	n.a.
148	Sulfuric acid		1	42
153	tert-Butanol			39

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	n.a.
148	Sulfuric acid		n.a.	64
153	tert-Butanol			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	6	43
148	Sulfuric acid		n.a.	120
153	tert-Butanol			128

**Salt Solubilities (ESLE)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	n.a.
148	Sulfuric acid		n.a.	8
153	tert-Butanol			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	2	22
148	Sulfuric acid		n.a.	1
153	tert-Butanol			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	1	n.a.
148	Sulfuric acid		n.a.	50
153	tert-Butanol			105

**Mixture Surface Tensions (MSFT)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	4	27
148	Sulfuric acid		n.a.	26
153	tert-Butanol			2

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	n.a.
148	Sulfuric acid		n.a.	1
153	tert-Butanol			32

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	n.a.
148	Sulfuric acid		n.a.	7
153	tert-Butanol			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	1	n.a.
148	Sulfuric acid		n.a.	3
153	tert-Butanol			42

**Mixture P-v-T Data (MPVT)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	146
148	Sulfuric acid		n.a.	3
153	tert-Butanol			43

**Mixture Flash Points (MFLP)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	n.a.
148	Sulfuric acid		n.a.	n.a.
153	tert-Butanol			3

**Electrical Conductivities (ECND)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	n.a.
148	Sulfuric acid		n.a.	26
153	tert-Butanol			1

**Diffusion Coefficients (DIF)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	n.a.	n.a.
148	Sulfuric acid		n.a.	n.a.
153	tert-Butanol			5

**Further Thermodynamic Properties (X)**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	1	32
148	Sulfuric acid		n.a.	50
153	tert-Butanol			31

**Total**
DDB#	Name	148	153	174	Water
89	Hexane	n.a.	43	500
148	Sulfuric acid		1	617
153	tert-Butanol			617

Dortmund Data Bank Version: February 2024

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