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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
2521	Hexamethylbenzene	87-85-4	C12H18	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	2	2	(hidden)	Critical Point	2
Density	16	2	273-512 K	Liquid	1
				Solid	1
Dielectric Constant	3	1	449-489 K	Liquid	1
Entropy	12	4	298-343 K	Gas/Vapor	2
				Ideal Gas	1
				Solid	1
Entropy of Sublimation	5	1	303-343 K	Vapor-Solid	1
G-function	25	2	200-1500 K	Gas/Vapor	2
Heat of Fusion	2	2	(hidden)	Solid-Liquid	2
Heat of Sublimation	1	1	324-324 K	Vapor-Solid	1
Heat of Transition	5	5	108-384 K	Crystal 2 > Crystal 1	3
				Solid-Solid	2
Heat of Vaporization	2	1	296-298 K	Vapor-Solid	1
Ideal Gas Heat Capacity	25	2	200-1500 K	Ideal Gas	2
Melting Point	16	16	(hidden)	Solid-Liquid	14
				Crystal 1 > Liquid	2
Molar Heat Capacity (cP)	243	10	4-529 K	Solid	6
				Liquid	2
				Crystal 2	1
				Crystal 1	1
Standard Heat of Sublimation	1	1	298-298 K	Vapor-Solid	1
Standard Heat of Vaporization	1	1	298-298 K	Vapor-Liquid	1
Std. Heat of Combustion	3	3	298-298 K	Solid	3
Std. Heat of Formation	3	3	298-298 K	Solid	2
				Gas/Vapor	1
Transition Temperature	7	7	(hidden)	Crystal 2 > Crystal 1	3
				Solid-Solid	2
				Crystal 3 > Crystal 1	1
				Crystal 3 > Crystal 2	1
Vapor Pressure	59	8	223-538 K	Vapor-Solid	7
				Vapor-Liquid	1
Octanol-Water Partition Coefficients	5	5	298 K

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