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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
307
2-Methylpropanoic acid
79-31-2
C
4
H
8
O
2
Overview
Search for mixtures containing this component
Pure Component Data
Property
Points
Sets
Temperature
Range
States
Sets
Critical Data
2
2
(hidden)
Critical Point
2
Density
157
40
213-553 K
Liquid
39
Further States
1
Dielectric Constant
10
2
293-333 K
Liquid
2
Heat of Vaporization
16
6
235-600 K
Vapor-Liquid
6
Melting Point
9
9
(hidden)
Solid-Liquid
9
Molar Heat Capacity (cP)
17
6
25-448 K
Liquid
5
Solid
1
Speed of Sound
7
3
288-323 K
Liquid
3
Std. Heat of Combustion
1
1
(hidden)
Liquid
1
Std. Heat of Formation
1
1
(hidden)
Liquid
1
Surface Tension
28
6
273-405 K
Liquid
6
Vapor Pressure
329
59
225-446 K
Vapor-Liquid
58
Further States
1
Viscosity (Dynamic)
46
13
277-421 K
Liquid
13
Octanol-Water
Partition Coefficients
1
1
298 K
Pure Component Properties Data Bank Information Page
Dortmund Data Bank Version: February 2024
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