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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
625	γ-Butyrolactone	96-48-0	C4H6O2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Compressibility (isentropic)	1	1	298-298 K	Liquid	1
Critical Data	2	2	(hidden)	Critical Point	2
Density	943	103	253-553 K	Liquid	102
				Further States	1
Dielectric Constant	28	11	278-398 K	Liquid	11
Dipole Moment	1	1	298-298 K	Liquid	1
Enthalpy (H-H0)	24	2	5-330 K	Liquid	1
				Solid	1
Entropy	25	3	5-330 K	Gas/Vapor	1
				Liquid	1
				Solid	1
Flash Point	2	2	(hidden)	Liquid	2
G-function	18	1	100-1500 K	Gas/Vapor	1
Gibbs Energy of Formation	1	1	298-298 K	Liquid	1
Heat of Fusion	3	3	(hidden)	Solid-Liquid	2
				Solid	1
Heat of Vaporization	41	5	289-600 K	Vapor-Liquid	5
Ideal Gas Heat Capacity	27	2	100-1500 K	Ideal Gas	2
Melting Point	11	11	(hidden)	Solid-Liquid	10
				Solid	1
Molar Heat Capacity (cP)	225	8	14-329 K	Liquid	4
				Solid	4
Speed of Sound	19	7	293-333 K	Liquid	7
Standard Heat of Vaporization	2	2	298-298 K	Vapor-Liquid	2
Std. Heat of Combustion	4	4	298-298 K	Liquid	4
Std. Heat of Formation	6	6	298-298 K	Gas/Vapor	3
				Liquid	3
Surface Tension	6	2	293-343 K	Liquid	2
Thermal Conductivity	1	1	293-293 K	Liquid	1
Vapor Pressure	167	39	273-731 K	Vapor-Liquid	39
Viscosity (Dynamic)	87	26	233-343 K	Liquid	26
Octanol-Water Partition Coefficients	2	2	298 K
Electrical Conductivities	6	1	298-323 K	n.a.	n.a.

Pure Component Properties Data Bank Information Page
Why are pure component data in a mixture data bank (MSOS, MTCN, etc.)?

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