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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
1548	2,5-Dimethylpyridine	589-93-5	C7H9N	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	3	3	(hidden)	Critical Point	3
Density	17	8	293-646 K	Liquid	5
				Vapor Phase of VLE	1
				Liquid Phase of VLE	1
				Critical Point	1
Enthalpy (H-H0)/T	6	1	260-340 K	Gas/Vapor	1
Entropy	1	1	298-298 K	Gas/Vapor	1
Entropy (S-S0)	67	5	10-620 K	Ideal Gas	1
				Liquid Phase of VLE	1
				Gas/Vapor	1
				Liquid	1
				Solid	1
Entropy of Formation	27	2	250-620 K	Ideal Gas	2
G-function	10	1	273-1000 K	Gas/Vapor	1
Gibbs Energy of Formation/T	6	1	260-340 K	Ideal Gas	1
Heat of Fusion	1	1	(hidden)	Solid-Liquid	1
Heat of Vaporization	8	2	340-460 K	Vapor-Liquid	2
Ideal Gas Heat Capacity	10	1	273-1000 K	Ideal Gas	1
Melting Point	4	4	(hidden)	Solid-Liquid	4
Molar Heat Capacity (cP)	82	3	12-620 K	Liquid Phase of VLE	1
				Liquid	1
				Solid	1
Second Virial Coefficient	3	1	408-439 K	Gas/Vapor	1
Std. Heat of Combustion	1	1	298-298 K	Liquid	1
Std. Heat of Formation	31	6	250-620 K	Ideal Gas	2
				Gas/Vapor	2
				Liquid	2
Surface Tension	4	1	293-358 K	Liquid	1
Vapor Pressure	66	9	283-472 K	Vapor-Liquid	9

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