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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
1219	2-Butyne	503-17-3	C4H6	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	1	1	(hidden)	Critical Point	1
Density	115	11	248-300 K	Liquid	11
Entropy	4	4	298-298 K	Gas/Vapor	4
G-function	14	1	298-1500 K	Gas/Vapor	1
Heat of Vaporization	4	1	291-291 K	Vapor-Liquid	1
Ideal Gas Heat Capacity	34	4	273-1500 K	Ideal Gas	4
Melting Point	15	6	(hidden)	Solid-Liquid	6
Molar Heat Capacity (cP)	87	7	15-290 K	Liquid	3
				Crystal 2	2
				Crystal 1	2
Second Virial Coefficient	8	1	278-302 K	Gas/Vapor	1
Std. Heat of Formation	1	1	298-298 K	Gas/Vapor	1
Surface Tension	1	1	300-300 K	Liquid	1
Vapor Pressure	13	8	273-323 K	Vapor-Liquid	8
Octanol-Water Partition Coefficients	2	2	ambient

Pure Component Properties Data Bank Information Page

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