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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
518
Dibutyl phthalate
84-74-2
C
1
6
H
2
2
O
4
Overview
Search for mixtures containing this component
Pure Component Data
Property
Points
Sets
Temperature
Range
States
Sets
Critical Data
1
1
(hidden)
Critical Point
1
Density
143
29
273-548 K
Liquid
29
Dielectric Constant
7
2
293-333 K
Liquid
2
Enthalpy (H-H0)
41
4
10-360 K
Glass
2
Liquid
2
Entropy
10
2
25-360 K
Glass
1
Liquid
1
Flash Point
1
1
(hidden)
Liquid
1
Heat of Vaporization
35
11
298-513 K
Vapor-Liquid
11
Hypothetical Vap.Pres. (often pS(VL) of Solid Compounds)
1
1
298-298 K
Vapor-Liquid
1
Melting Point
2
2
(hidden)
Solid-Liquid
2
Molar Heat Capacity (cP)
145
8
15-447 K
Liquid
5
Solid
2
Glass
1
Speed of Sound
4
1
308-308 K
Liquid
1
Standard Heat of Vaporization
1
1
298-298 K
Vapor-Liquid
1
Std. Heat of Combustion
1
1
298-298 K
Liquid
1
Std. Heat of Formation
1
1
298-298 K
Liquid
1
Surface Tension
2
2
293-303 K
Liquid
2
Thermal Conductivity
102
15
283-749 K
Liquid
14
Gas/Vapor
1
Thermal Expansion Coefficient
1
1
293-293 K
Liquid
1
Transition Temperature
1
1
(hidden)
Glass > Crystal
1
Vapor Pressure
245
40
273-613 K
Vapor-Liquid
40
Viscosity (Dynamic)
324
30
180-623 K
Liquid
28
Further States
2
Viscosity (Kinematic)
11
2
233-373 K
Liquid
2
Octanol-Water
Partition Coefficients
19
19
293-308 K
Pure Component Properties Data Bank Information Page
Dortmund Data Bank Version: February 2024
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