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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
4776	Acetylsalicylic acid	50-78-2	C9H8O4	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Density	11	2	259-427 K	Supercooled Liquid	1
				Liquid	1
Dielectric Constant	66	14	230-416 K	Supercooled Liquid	8
				Solid	5
				Liquid	1
Enthalpy (H-H298)	64	1	78-382 K	Solid	1
Heat of Fusion	13	13	(hidden)	Solid-Liquid	13
Heat of Transition	1	1	343-343 K	Solid-Solid	1
Melting Point	31	29	(hidden)	Solid-Liquid	28
				Further States	1
Molar Heat Capacity (cP)	367	6	78-470 K	Solid	5
				Liquid	1
Std. Heat of Combustion	1	1	298-298 K	Solid	1
Std. Heat of Formation	1	1	298-298 K	Solid	1
Transition Temperature	1	1	(hidden)	Glass > Crystal	1
Vapor Pressure	11	1	341-361 K	Vapor-Solid	1
Octanol-Water Partition Coefficients	14	14	295-310 K

Pure Component Properties Data Bank Information Page

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