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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
894	2,2'-Diethanolamine (DEA)	111-42-2	C₄H₁₁NO₂	Overview	Details
2187	Methyldiethanolamine (MDEA)	105-59-9	C₅H₁₃NO₂	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	23	32
894	2,2'-Diethanolamine (DEA)		n.a.

**Heats of Mixing (HE)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	8	7
894	2,2'-Diethanolamine (DEA)		n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	36	69
894	2,2'-Diethanolamine (DEA)		11

**(A)zeotropic Data (AZD)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	5	11
894	2,2'-Diethanolamine (DEA)		n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	3	6
894	2,2'-Diethanolamine (DEA)		n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	178	145
894	2,2'-Diethanolamine (DEA)		n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	80	157
894	2,2'-Diethanolamine (DEA)		n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	31	38
894	2,2'-Diethanolamine (DEA)		n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	3	6
894	2,2'-Diethanolamine (DEA)		n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	n.a.	1
894	2,2'-Diethanolamine (DEA)		n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	6	4
894	2,2'-Diethanolamine (DEA)		n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	5	67
894	2,2'-Diethanolamine (DEA)		n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	1	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	9	9
894	2,2'-Diethanolamine (DEA)		n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	10	18
894	2,2'-Diethanolamine (DEA)		n.a.

**Total**
DDB#	Name	894	2187	Methyldiethanolamine (MDEA)
174	Water	398	570
894	2,2'-Diethanolamine (DEA)		11

Dortmund Data Bank Version: February 2024

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