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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
19	2-Methylpyridine	109-06-8	C₆H₇N	Overview

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	3	3	(hidden)	Critical Point	3
Density	206	61	203-622 K	Liquid	58
				Further States	3
Dielectric Constant	17	6	293-333 K	Liquid	6
Dipole Moment	1	1	298-298 K	Liquid	1
Enthalpy (H-H0)/T	18	1	250-560 K	Gas/Vapor	1
Entropy	3	3	298-298 K	Gas/Vapor	3
Entropy (S-S0)	36	2	250-560 K	Ideal Gas	1
				Liquid Phase of VLE	1
Entropy of Formation	18	1	250-560 K	Ideal Gas	1
G-function	49	3	50-1500 K	Gas/Vapor	3
Gibbs Energy of Formation/T	18	1	250-560 K	Ideal Gas	1
Heat of Fusion	1	1	(hidden)	Solid-Liquid	1
Heat of Vaporization	20	7	298-440 K	Vapor-Liquid	7
Ideal Gas Heat Capacity	49	3	50-1500 K	Ideal Gas	3
Melting Point	10	10	(hidden)	Solid-Liquid	10
Molar Heat Capacity (cP)	120	9	12-560 K	Liquid	5
				Gas/Vapor	3
				Solid	1
Second Virial Coefficient	11	5	338-438 K	Gas/Vapor	5
Speed of Sound	32	13	293-318 K	Liquid	13
Standard Heat of Vaporization	1	1	298-298 K	Vapor-Liquid	1
Std. Heat of Combustion	4	4	298-298 K	Liquid	3
				Gas/Vapor	1
Std. Heat of Formation	25	8	250-560 K	Gas/Vapor	5
				Liquid	2
				Ideal Gas	1
Surface Tension	17	4	203-399 K	Liquid	4
Transition Temperature	2	2	(hidden)	Glass > Crystal	1
				Solid-Solid	1
Triple Point	3	3	(hidden)	Solid-Liquid-Vapor	3
Vapor Pressure	163	48	273-442 K	Vapor-Liquid	48
Viscosity (Dynamic)	52	15	273-353 K	Liquid	15
Viscosity (Kinematic)	8	1	303-363 K	Liquid	1
Octanol-Water Partition Coefficients	7	7	298-300 K

Dortmund Data Bank Version: February 2024

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