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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
167	1,1,1-Trichloroethane [R140a]	71-55-6	C2H3Cl3	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Compressibility (isentropic)	1	1	303-303 K	Liquid	1
Critical Data	2	2	(hidden)	Critical Point	2
Density	164	90	233-398 K	Liquid	89
				Further States	1
Dielectric Constant	167	24	132-328 K	Liquid	16
				Solid	4
				Crystal 2	2
				Crystal 1	2
Entropy	7	7	287-298 K	Gas/Vapor	6
				Ideal Gas	1
G-function	65	5	100-1500 K	Gas/Vapor	5
Heat of Fusion	6	6	(hidden)	Solid-Liquid	4
				Metastable Solid > Liquid	1
				Solid-Liquid-Vapor	1
Heat of Transition	3	3	224-225 K	Crystal 2 > Crystal 1	2
				Solid-Solid	1
Heat of Vaporization	19	9	284-358 K	Vapor-Liquid	9
Ideal Gas Heat Capacity	77	6	100-1500 K	Ideal Gas	6
Melting Point	14	14	(hidden)	Solid-Liquid	14
Molar Heat Capacity (cP)	156	15	10-450 K	Crystal 2	5
				Crystal 1	4
				Liquid	4
				Crystal 3	1
				Gas/Vapor	1
Second Virial Coefficient	6	2	315-399 K	Gas/Vapor	2
Speed of Sound	12	10	293-318 K	Liquid	10
Std. Heat of Formation	22	4	0-1500 K	Gas/Vapor	2
				Ideal Gas	1
				Liquid	1
Surface Tension	12	4	293-342 K	Liquid	4
Transition Temperature	4	4	(hidden)	Crystal 2 > Crystal 1	2
				Solid-Solid	2
Vapor Pressure	257	67	263-432 K	Vapor-Liquid	67
Viscosity (Dynamic)	43	22	288-393 K	Liquid	21
				Further States	1
Viscosity (Kinematic)	8	4	289-353 K	Liquid	4
Octanol-Water Partition Coefficients	7	7	278-323 K

Pure Component Properties Data Bank Information Page

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