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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
174	Water	7732-18-5	H₂O	Overview	Details
2201	Urea	57-13-6	CH₄N₂O	Overview	Details
13803	Choline chloride	67-48-1	C₅H₁₄ClNO	Overview	Details
22830	Allopurinol	315-30-0	C₅H₄N₄O	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	15	10	n.a.
2201	Urea		2	n.a.
13803	Choline chloride			n.a.

**Heats of Mixing (HE)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	1	n.a.	n.a.
2201	Urea		n.a.	n.a.
13803	Choline chloride			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	13	1	n.a.
2201	Urea		3	n.a.
13803	Choline chloride			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	218	11	3
2201	Urea		16	n.a.
13803	Choline chloride			n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	5	4	n.a.
2201	Urea		n.a.	n.a.
13803	Choline chloride			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	122	19	n.a.
2201	Urea		7	n.a.
13803	Choline chloride			n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	1	n.a.	n.a.
2201	Urea		n.a.	n.a.
13803	Choline chloride			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	56	17	n.a.
2201	Urea		26	n.a.
13803	Choline chloride			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	9	n.a.	n.a.
2201	Urea		4	n.a.
13803	Choline chloride			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	36	1	n.a.
2201	Urea		8	n.a.
13803	Choline chloride			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	n.a.	n.a.	n.a.
2201	Urea		5	n.a.
13803	Choline chloride			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	3	n.a.	n.a.
2201	Urea		1	n.a.
13803	Choline chloride			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	18	n.a.	n.a.
2201	Urea		15	n.a.
13803	Choline chloride			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	6	13	n.a.
2201	Urea		5	n.a.
13803	Choline chloride			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	4	n.a.	n.a.
2201	Urea		n.a.	n.a.
13803	Choline chloride			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	66	5	4
2201	Urea		9	n.a.
13803	Choline chloride			n.a.

**Total**
DDB#	Name	2201	13803	22830	Allopurinol
174	Water	573	81	7
2201	Urea		101	n.a.
13803	Choline chloride			n.a.

Dortmund Data Bank Version: February 2024

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