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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
1294	Sulfur hexafluoride	2551-62-4	F₆S	Overview

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	29	29	(hidden)	Critical Point	29
Density	3666	191	223-623 K	Gas/Vapor	68
				Liquid	52
				Supercritical	49
				Further States	22
Dielectric Constant	214	8	223-405 K	Gas/Vapor	7
				Liquid	1
Diffusion Coefficient	1	1	319-319 K	Critical Point	1
Enthalpy	369	10	273-318 K	Liquid	10
Entropy	372	13	273-318 K	Liquid	10
				Gas/Vapor	3
G-function	17	1	100-1500 K	Gas/Vapor	1
Ideal Gas Heat Capacity	26	2	100-1500 K	Ideal Gas	2
Joule-Thompson Coefficient (isenthalpic dT/dP)	47	9	298-473 K	Supercritical	7
				Gas/Vapor	2
Melting Point	28	7	(hidden)	Solid-Liquid	7
Molar Heat Capacity (cP)	35	7	298-473 K	Supercritical	6
				Gas/Vapor	1
Molar Heat Capacity (cV)	53	1	319-331 K	Supercritical	1
Second Virial Coefficient	135	20	200-550 K	Gas/Vapor	20
Speed of Sound	403	28	230-460 K	Gas/Vapor	22
				Liquid	5
				Further States	1
Std. Heat of Formation	2	2	298-298 K	Gas/Vapor	2
Surface Tension	2	1	223-253 K	Liquid	1
Thermal Conductivity	675	43	227-703 K	Gas/Vapor	21
				Liquid	12
				Supercritical	10
Transition Temperature	1	1	(hidden)	Crystal 2 > Crystal 1	1
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	358	24	158-319 K	Vapor-Liquid	21
				Vapor-Solid	3
Viscosity (Dynamic)	1247	64	173-974 K	Gas/Vapor	46
				Liquid	17
				Further States	1
Viscosity (Kinematic)	8	1	273-273 K	Gas/Vapor	1
Octanol-Water Partition Coefficients	2	2	297 K
Mixture P-v-T Data	18	1	298-298 K	n.a.	n.a.

Dortmund Data Bank Version: February 2024

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