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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
322	o-Xylene	95-47-6	C8H10	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Compressibility (isentropic)	2	2	298-303 K	Liquid	2
Critical Data	19	19	(hidden)	Critical Point	19
Density	1911	336	242-673 K	Liquid	295
				Further States	41
Dielectric Constant	53	24	273-333 K	Liquid	24
Enthalpy (H-H0)/T	18	1	250-550 K	Ideal Gas	1
Entropy	24	7	250-550 K	Gas/Vapor	7
Entropy (S-S0)	38	2	5-550 K	Liquid	1
				Solid	1
Entropy of Formation	18	1	250-550 K	Ideal Gas	1
Entropy of Vaporization	1	1	298-298 K	Vapor-Liquid	1
Flash Point	13	13	(hidden)	Liquid	13
Freezing Point (Supercooled Liq. to Crystal/Solid)	12	1	295-307 K	Solid-Liquid	1
G-function	46	4	200-1500 K	Gas/Vapor	4
Gibbs Energy of Formation/T	18	1	250-550 K	Gas/Vapor	1
Heat of Fusion	4	4	(hidden)	Solid-Liquid	4
Heat of Vaporization	27	11	298-446 K	Vapor-Liquid	11
Ideal Gas Heat Capacity	87	6	50-3000 K	Ideal Gas	6
Melting Point	30	29	(hidden)	Solid-Liquid	29
Molar Heat Capacity (cP)	328	33	6-693 K	Liquid	23
				Gas/Vapor	7
				Solid	3
Second Virial Coefficient	14	3	353-446 K	Gas/Vapor	3
Speed of Sound	477	67	253-673 K	Liquid	60
				Further States	7
Standard Heat of Vaporization	1	1	298-298 K	Vapor-Liquid	1
Std. Heat of Combustion	3	3	291-298 K	Liquid	3
Std. Heat of Formation	19	2	250-550 K	Ideal Gas	1
				Gas/Vapor	1
Surface Tension	59	22	233-473 K	Liquid	22
Thermal Conductivity	650	69	258-699 K	Liquid	57
				Gas/Vapor	11
				Further States	1
Thermal Expansion Coefficient	1	1	293-293 K	Liquid	1
Vapor Pressure	545	148	241-632 K	Vapor-Liquid	147
				Further States	1
Viscosity (Dynamic)	657	104	250-673 K	Liquid	95
				Gas/Vapor	8
				Further States	1
Viscosity (Kinematic)	20	7	273-324 K	Liquid	7
Octanol-Water Partition Coefficients	17	17	298 K
Mixture Flash Points	1	1	317-317 K	n.a.	n.a.

Pure Component Properties Data Bank Information Page
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