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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
265	Stearic acid	57-11-4	C18H36O2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	1	1	(hidden)	Critical Point	1
Decomposition Temperature	2	2	398-496 K	Liquid	2
Density	73	21	78-573 K	Liquid	17
				Solid	3
				Further States	1
Dielectric Constant	7	2	293-373 K	Liquid	2
Flash Point	1	1	(hidden)	Liquid	1
Freezing Point (Supercooled Liq. to Crystal/Solid)	3	3	340-341 K	Supercooled Liquid - Solid	2
				Solid-Liquid	1
Heat of Fusion	35	35	(hidden)	Solid-Liquid	32
				Further States	3
Heat of Sublimation	4	3	298-340 K	Vapor-Solid	3
Heat of Transition	7	4	301-322 K	Crystal 3 > Crystal 2	2
				Crystal 3 > Crystal 1	1
				Solid-Solid	1
Heat of Vaporization	2	2	379-516 K	Vapor-Liquid	2
Melting Point	132	121	(hidden)	Solid-Liquid	120
				Further States	1
Molar Heat Capacity (cP)	86	6	100-471 K	Liquid	3
				Solid	2
				Liquid Phase of VLE	1
Speed of Sound	27	8	338-418 K	Liquid	7
				Liquid Phase of SLE	1
Std. Heat of Combustion	10	10	291-298 K	Solid	7
				Liquid	2
				Crystal 1	1
Std. Heat of Formation	4	4	298-298 K	Solid	2
				Crystal 1	1
				Liquid	1
Surface Tension	23	7	343-423 K	Liquid	6
				Liquid Phase of VLE	1
Thermal Conductivity	35	6	298-573 K	Liquid	4
				Solid	2
Transition Temperature	9	9	(hidden)	Solid-Solid	6
				Crystal 2 > Crystal 1	2
				Crystal 4 > Crystal 3	1
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	104	19	298-628 K	Vapor-Liquid	16
				Vapor-Solid	3
Viscosity (Dynamic)	42	12	341-471 K	Liquid	12
Viscosity (Kinematic)	15	3	348-573 K	Liquid	3
Octanol-Water Partition Coefficients	1	1	298 K

Pure Component Properties Data Bank Information Page

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