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Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
174	Water	7732-18-5	H₂O	Overview	Details
282	1,2-Propanediol	57-55-6	C₃H₈O₂	Overview	Details
819	Malonic acid	141-82-2	C₃H₄O₄	Overview	Details
13803	Choline chloride	67-48-1	C₅H₁₄ClNO	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	47	1	10
282	1,2-Propanediol		n.a.	1
819	Malonic acid			n.a.

**Heats of Mixing (HE)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	10	n.a.	n.a.
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	11	n.a.	n.a.
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	63	13	1
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			1

**(A)zeotropic Data (AZD)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	38	n.a.	n.a.
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	4	13	11
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			2

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	n.a.	1	4
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	115	17	19
282	1,2-Propanediol		n.a.	4
819	Malonic acid			4

**Mixture Viscosities (VIS)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	77	8	17
282	1,2-Propanediol		n.a.	18
819	Malonic acid			5

**Mixture Surface Tensions (MSFT)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	21	3	n.a.
282	1,2-Propanediol		n.a.	1
819	Malonic acid			1

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	22	n.a.	1
282	1,2-Propanediol		n.a.	4
819	Malonic acid			5

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	25	n.a.	n.a.
282	1,2-Propanediol		n.a.	1
819	Malonic acid			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	20	n.a.	n.a.
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	4	n.a.	n.a.
282	1,2-Propanediol		n.a.	2
819	Malonic acid			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	n.a.	2	13
282	1,2-Propanediol		n.a.	1
819	Malonic acid			2

**Diffusion Coefficients (DIF)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	1	n.a.	n.a.
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	282	819	13803	Choline chloride
174	Water	16	9	5
282	1,2-Propanediol		n.a.	n.a.
819	Malonic acid			3

**Total**
DDB#	Name	282	819	13803	Choline chloride
174	Water	474	67	81
282	1,2-Propanediol		n.a.	32
819	Malonic acid			23

Dortmund Data Bank Version: February 2024

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