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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
1250	Octadecanoic acid ethyl ester	111-61-5	C20H40O2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Density	41	12	293-513 K	Liquid	10
				Solid	2
Dielectric Constant	25	6	278-323 K	Liquid	3
				Crystal 2	2
				Crystal 1	1
Enthalpy (H-H0)	51	2	5-370 K	Liquid	1
				Solid	1
Entropy	51	2	5-370 K	Liquid	1
				Solid	1
Entropy of Fusion	1	1	(hidden)	Solid-Liquid	1
Flash Point	3	3	(hidden)	Liquid	3
Heat of Crystallization	1	1	301-301 K	Solid-Liquid	1
Heat of Fusion	3	3	(hidden)	Solid-Liquid	3
Heat of Sublimation	1	1	301-301 K	Vapor-Solid	1
Heat of Vaporization	5	4	298-513 K	Vapor-Liquid	4
Melting Point	30	27	(hidden)	Solid-Liquid	22
				Crystal 1 > Liquid	3
				Further States	2
Molar Heat Capacity (cP)	51	2	5-370 K	Liquid	1
				Solid	1
Molar Polarization	3	2	298-333 K	Liquid	1
				Solid	1
Std. Heat of Combustion	2	2	298-298 K	Liquid	1
				Solid	1
Std. Heat of Formation	1	1	298-298 K	Solid	1
Surface Tension	1	1	348-348 K	Liquid	1
Transition Temperature	10	10	(hidden)	Crystal 2 > Crystal 1	3
				Crystal 4 > Crystal 3	2
				Crystal 3 > Crystal 2	2
				Solid-Solid	2
				Crystal 2 > Crystal 3	1
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	33	9	323-534 K	Vapor-Liquid	9
Viscosity (Dynamic)	8	3	308-368 K	Liquid	3
Viscosity (Kinematic)	12	3	311-573 K	Liquid	3

Pure Component Properties Data Bank Information Page

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