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Dortmund Data Bank Thermophysical Data for Process Design Contact: ☎ +49 441 361819 0 or ✉ info@ddbst.com

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DDB#	Name	CAS-RN	Formula
551	1,2-Dichlorotetrafluoroethane [R114]	76-14-2	C2Cl2F4	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	4	4	(hidden)	Critical Point	4
Density	507	64	196-520 K	Liquid	40
				Gas/Vapor	12
				Liquid Phase of VLE	7
				Further States	5
Dielectric Constant	225	16	298-423 K	Liquid	9
				Gas/Vapor	7
Heat of Transition	2	2	109-135 K	Solid-Solid	2
Heat of Vaporization	2	1	297-313 K	Vapor-Liquid	1
Joule-Thompson Coefficient (isenthalpic dT/dP)	62	5	353-448 K	Gas/Vapor	5
Melting Point	2	2	(hidden)	Solid-Liquid	2
Molar Heat Capacity (cP)	546	20	8-448 K	Liquid	10
				Gas/Vapor	6
				Crystal 3	2
				Crystal 2	1
				Crystal 1	1
Second Virial Coefficient	43	4	243-504 K	Gas/Vapor	4
Speed of Sound	136	3	198-323 K	Liquid	2
				Liquid Phase of VLE	1
Std. Heat of Combustion	2	2	298-298 K	Gas/Vapor	1
				Liquid	1
Std. Heat of Formation	5	5	298-298 K	Gas/Vapor	4
				Liquid	1
Surface Tension	94	3	180-413 K	Liquid Phase of VLE	2
				Liquid	1
Thermal Conductivity	206	24	183-423 K	Liquid	11
				Gas/Vapor	10
				Liquid Phase of VLE	3
Transition Temperature	2	2	(hidden)	Solid-Solid	2
Vapor Pressure	393	22	206-419 K	Vapor-Liquid	22
Viscosity (Dynamic)	375	40	183-473 K	Liquid	26
				Gas/Vapor	13
				Further States	1
Octanol-Water Partition Coefficients	5	5	278-323 K

Pure Component Properties Data Bank Information Page

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