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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
80	Butyl acetate	123-86-4	C₆H₁₂O₂	Overview	Details
141	Propionic acid	79-09-4	C₃H₆O₂	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
1146	Tributyl phosphate	126-73-8	C₁₂H₂₇O₄P	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	1	9	n.a.
141	Propionic acid		42	n.a.
174	Water			3

**Heats of Mixing (HE)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	3	n.a.
141	Propionic acid		5	n.a.
174	Water			2

**Gas Solubilities (GLE)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	3	n.a.
141	Propionic acid		3	n.a.
174	Water			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	48	4
141	Propionic acid		3	n.a.
174	Water			16

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	64	n.a.
141	Propionic acid		1	n.a.
174	Water			17

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	n.a.	n.a.
141	Propionic acid		5	n.a.
174	Water			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	3	27	n.a.
141	Propionic acid		49	n.a.
174	Water			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	n.a.	n.a.
141	Propionic acid		10	n.a.
174	Water			n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	n.a.	n.a.
141	Propionic acid		2	n.a.
174	Water			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	20	n.a.
141	Propionic acid		49	n.a.
174	Water			6

**Mixture Viscosities (VIS)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	6	n.a.
141	Propionic acid		8	n.a.
174	Water			1

**Mixture Surface Tensions (MSFT)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	7	n.a.
141	Propionic acid		16	n.a.
174	Water			1

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	15	n.a.
141	Propionic acid		2	n.a.
174	Water			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	n.a.	n.a.
141	Propionic acid		1	n.a.
174	Water			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	3	n.a.	n.a.
141	Propionic acid		3	n.a.
174	Water			n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	3	n.a.
141	Propionic acid		1	n.a.
174	Water			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	n.a.	n.a.
141	Propionic acid		5	n.a.
174	Water			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	3	n.a.
141	Propionic acid		2	n.a.
174	Water			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	n.a.	5	n.a.
141	Propionic acid		47	n.a.
174	Water			3

**Total**
DDB#	Name	141	174	1146	Tributyl phosphate
80	Butyl acetate	7	213	4
141	Propionic acid		254	n.a.
174	Water			49

Dortmund Data Bank Version: February 2024

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