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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
368	1-Butene	106-98-9	C₄H₈	Overview

Property	Points	Sets	Temperature Range	States	Sets
Compressibility (isothermal)	1	1	298-298 K	Liquid	1
Critical Data	6	6	(hidden)	Critical Point	6
Density	692	32	195-523 K	Liquid	12
				Liquid Phase of VLE	8
				Gas/Vapor	7
				Vapor Phase of VLE	4
				Further States	1
Dielectric Constant	16	3	220-466 K	Gas/Vapor	2
				Liquid	1
Enthalpy (H-H0)/T	40	3	0-300 K	Glass	1
				Crystal 2	1
				Liquid	1
Enthalpy (H-H298)	14	1	0-1500 K	Ideal Gas	1
Entropy	7	7	298-298 K	Gas/Vapor	6
				Liquid	1
G-function	39	3	200-1500 K	Gas/Vapor	3
Heat of Fusion	3	3	(hidden)	Solid-Liquid	3
Heat of Vaporization	16	3	202-378 K	Vapor-Liquid	3
Ideal Gas Heat Capacity	39	3	200-1500 K	Ideal Gas	3
Melting Point	4	3	(hidden)	Solid-Liquid	3
Molar Heat Capacity (cP)	383	20	5-773 K	Liquid	6
				Solid	6
				Glass	3
				Supercooled Liquid	2
				Gas/Vapor	2
				Crystal 2	1
Second Virial Coefficient	12	1	304-420 K	Gas/Vapor	1
Standard Heat of Vaporization	1	1	298-298 K	Vapor-Liquid	1
Std. Heat of Combustion	2	2	298-298 K	Gas/Vapor	1
				Liquid	1
Std. Heat of Formation	16	3	0-1500 K	Gas/Vapor	2
				Liquid	1
Surface Tension	18	3	218-293 K	Liquid	3
Thermal Conductivity	31	7	223-773 K	Gas/Vapor	6
				Liquid	1
Thermal Expansion Coefficient	1	1	298-298 K	Liquid	1
Transition Temperature	1	1	(hidden)	Liquid > Glas	1
Vapor Pressure	270	48	119-420 K	Vapor-Liquid	48
Viscosity (Dynamic)	24	3	223-573 K	Gas/Vapor	2
				Liquid	1
Octanol-Water Partition Coefficients	1	1	ambient

Dortmund Data Bank Version: February 2024

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