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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
146	Hydrogen chloride	7647-01-0	HCl	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	20	18	(hidden)	Critical Point	18
Density	1088	102	78-673 K	Supercritical	65
				Liquid	19
				Liquid Phase of VLE	9
				Further States	9
Dielectric Constant	262	37	62-673 K	Supercritical	15
				Liquid	9
				Crystal 2	5
				Crystal 1	4
				Gas/Vapor	2
				Solid	2
Enthalpy (H-H298)	14	1	0-1500 K	Ideal Gas	1
Entropy	5	5	298-298 K	Gas/Vapor	4
				Solid	1
Heat of Fusion	4	4	(hidden)	Solid-Liquid	4
Heat of Transition	2	2	98-99 K	Crystal 2 > Crystal 1	2
Heat of Vaporization	29	7	134-323 K	Vapor-Liquid	6
				Vapor-Solid	1
Ideal Gas Heat Capacity	136	3	25-6000 K	Ideal Gas	3
Melting Point	20	19	(hidden)	Solid-Liquid	19
Molar Heat Capacity (cP)	368	15	2-773 K	Liquid	6
				Solid	6
				Crystal 2	1
				Crystal 1	1
				Gas/Vapor	1
Molar Heat Capacity (cV)	202	36	293-573 K	Supercritical	24
				Liquid	5
				Gas/Vapor	4
				Liquid Phase of VLE	2
				Further States	1
Second Virial Coefficient	29	6	210-573 K	Supercritical	5
				Gas/Vapor	1
Speed of Sound	183	12	218-480 K	Gas/Vapor	4
				Liquid	3
				Vapor and Liquid present (2 phases)	2
				Liquid Phase of VLE	2
				Supercritical	1
Std. Heat of Formation	96	5	0-6000 K	Gas/Vapor	4
				Ideal Gas	1
Surface Tension	10	2	163-193 K	Liquid	2
Thermal Conductivity	76	10	197-673 K	Gas/Vapor	8
				Liquid	2
Transition Temperature	4	4	(hidden)	Crystal 2 > Crystal 1	2
				Solid-Solid	2
Triple Point	5	5	(hidden)	Solid-Liquid-Vapor	5
Vapor Pressure	461	56	115-325 K	Vapor-Liquid	50
				Vapor-Solid	6
Viscosity (Dynamic)	46	7	161-573 K	Gas/Vapor	4
				Liquid	3
Electrical Conductivities	2	2	173-177 K	n.a.	n.a.

Pure Component Properties Data Bank Information Page
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