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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
472	Diphenylmethane	101-81-5	C₁₃H₁₂	Overview

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	6	6	(hidden)	Critical Point	6
Decomposition Temperature	1	1	727-727 K	Liquid	1
Density	169	40	273-777 K	Liquid	32
				Supercooled Liquid	3
				Liquid Phase of VLE	2
				Solid	2
				Further States	1
Dielectric Constant	4	4	290-300 K	Liquid	2
				Supercooled Liquid	1
				Solid	1
Diffusion Coefficient	12	2	298-403 K	Liquid	2
Enthalpy (H-H0)	52	3	10-700 K	Ideal Gas	1
				Liquid	1
				Solid	1
Freezing Point (Supercooled Liq. to Crystal/Solid)	1	1	270-270 K	Solid-Liquid	1
Heat of Fusion	9	9	(hidden)	Solid-Liquid	9
Heat of Sublimation	3	3	284-297 K	Vapor-Solid	3
Heat of Vaporization	17	4	298-580 K	Vapor-Liquid	4
Melting Point	44	43	(hidden)	Solid-Liquid	43
Molar Heat Capacity (cP)	203	12	5-715 K	Liquid	5
				Liquid Phase of VLE	4
				Solid	3
Speed of Sound	19	3	299-413 K	Liquid	3
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	2	2	293-298 K	Liquid	1
				Solid	1
Std. Heat of Formation	15	3	298-580 K	Liquid	2
				Ideal Gas	1
Surface Tension	37	10	299-523 K	Liquid	10
Thermal Conductivity	31	7	303-477 K	Liquid	7
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	199	39	273-769 K	Vapor-Liquid	35
				Vapor-Solid	4
Viscosity (Dynamic)	146	23	293-634 K	Liquid	21
				Further States	2
Viscosity (Kinematic)	25	4	291-397 K	Liquid	4
Octanol-Water Partition Coefficients	8	8	298 K

Dortmund Data Bank Version: February 2024

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