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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
894	2,2'-Diethanolamine (DEA)	111-42-2	C₄H₁₁NO₂	Overview	Details
1065	Hydrogen sulfide	7783-06-4	H₂S	Overview	Details
2187	Methyldiethanolamine (MDEA)	105-59-9	C₅H₁₃NO₂	Overview	Details
2189	2-Amino-2-methyl-1-propanol (AMP)	124-68-5	C₄H₁₁NO	Overview	Details

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Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	23	87	32	14
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Heats of Mixing (HE)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	8	13	7	5
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Gas Solubilities (GLE)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	n.a.	122	n.a.	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			1	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	n.a.	14	n.a.	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	36	n.a.	69	41
894	2,2'-Diethanolamine (DEA)		n.a.	11	11
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	5	n.a.	11	11
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	3	n.a.	6	3
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	178	n.a.	145	65
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				4

**Critical Data of Mixtures (CRI)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	n.a.	13	n.a.	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	80	1	157	32
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	31	5	38	9
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	1
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	3	n.a.	6	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	n.a.	n.a.	1	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	6	n.a.	4	4
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	5	8	67	25
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	1	n.a.	n.a.	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Gas Hydrate Data (GHD)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	n.a.	42	n.a.	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	n.a.	10	n.a.	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	9	8	9	n.a.
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	10	13	18	6
894	2,2'-Diethanolamine (DEA)		n.a.	n.a.	n.a.
1065	Hydrogen sulfide			n.a.	n.a.
2187	Methyldiethanolamine (MDEA)				n.a.

**Total**
DDB#	Name	894	1065	2187	2189	2-Amino-2-methyl-1-propanol (AMP)
174	Water	398	336	570	215
894	2,2'-Diethanolamine (DEA)		n.a.	11	12
1065	Hydrogen sulfide			1	n.a.
2187	Methyldiethanolamine (MDEA)				4

Dortmund Data Bank Version: February 2024

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