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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
576
3,4-Dimethylpyridine
583-58-4
C
7
H
9
N
Overview
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Pure Component Data
Property
Points
Sets
Temperature
Range
States
Sets
Critical Data
3
3
(hidden)
Critical Point
3
Density
21
6
293-684 K
Liquid
3
Vapor Phase of VLE
1
Liquid Phase of VLE
1
Critical Point
1
Enthalpy (H-H0)/T
5
1
280-340 K
Gas/Vapor
1
Entropy
1
1
298-298 K
Gas/Vapor
1
Entropy (S-S0)
70
6
10-660 K
Ideal Gas
1
Liquid Phase of VLE
1
Crystal 2
1
Crystal 1
1
Gas/Vapor
1
Liquid
1
Entropy of Formation
33
3
250-660 K
Ideal Gas
3
G-function
10
1
273-1000 K
Gas/Vapor
1
Gibbs Energy of Formation/T
5
1
280-340 K
Ideal Gas
1
Heat of Fusion
1
1
(hidden)
Solid-Liquid
1
Heat of Transition
1
1
241-241 K
Crystal 2 > Crystal 1
1
Heat of Vaporization
11
2
328-480 K
Vapor-Liquid
2
Ideal Gas Heat Capacity
10
1
273-1000 K
Ideal Gas
1
Melting Point
2
2
(hidden)
Solid-Liquid
2
Molar Heat Capacity (cP)
85
4
13-660 K
Liquid Phase of VLE
1
Crystal 2
1
Crystal 1
1
Liquid
1
Second Virial Coefficient
2
1
423-439 K
Gas/Vapor
1
Speed of Sound
11
1
293-343 K
Liquid
1
Std. Heat of Combustion
1
1
298-298 K
Liquid
1
Std. Heat of Formation
31
5
250-660 K
Ideal Gas
2
Liquid
2
Gas/Vapor
1
Vapor Pressure
55
6
288-496 K
Vapor-Liquid
6
Pure Component Properties Data Bank Information Page
Dortmund Data Bank Version: February 2024
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