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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
1158	Difluoromethane [R32]	75-10-5	CH₂F₂	Overview	Details
1224	Pentafluoroethane [R125]	354-33-6	C₂HF₅	Overview	Details
2393	1,1,1,2-Tetrafluoroethane [R134a]	811-97-2	C₂H₂F₄	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	103	136
1224	Pentafluoroethane [R125]		92

**Heats of Mixing (HE)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	1	n.a.
1224	Pentafluoroethane [R125]		n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	53	82
1224	Pentafluoroethane [R125]		47

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	11	10
1224	Pentafluoroethane [R125]		12

**Critical Data of Mixtures (CRI)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	10	11
1224	Pentafluoroethane [R125]		11

**Mixture Viscosities (VIS)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	39	23
1224	Pentafluoroethane [R125]		23

**Mixture Surface Tensions (MSFT)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	8	9
1224	Pentafluoroethane [R125]		1

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	13	18
1224	Pentafluoroethane [R125]		24

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	55	30
1224	Pentafluoroethane [R125]		22

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	10	n.a.
1224	Pentafluoroethane [R125]		n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	153	94
1224	Pentafluoroethane [R125]		72

**Further Thermodynamic Properties (X)**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	3	n.a.
1224	Pentafluoroethane [R125]		n.a.

**Total**
DDB#	Name	1224	2393	1,1,1,2-Tetrafluoroethane [R134a]
1158	Difluoromethane [R32]	459	413
1224	Pentafluoroethane [R125]		304

Dortmund Data Bank Version: February 2024

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