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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
174
Water
7732-18-5
H
2
O
Overview
Details
2421
Phosphorus pentoxide
1314-56-3
O
5
P
2
Overview
Details
6357
Sodium dihydrogen phosphate
7558-80-7
H
2
NaO
4
P
Overview
Details
1000455
Sodium dihydrogen phosphate dihydrate
NaH
2
PO
4
*2H
2
O
Overview
Details
1001008
Sodium dihydrogen phosphate hydrate
NaH
2
PO
4
*H
2
O
Overview
Details
Search for mixtures containing this mixture as subsystem
Mixture Data
Number of available sets is shown
Vapor-Liquid Equilibria (
VLE
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
13
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Liquid-Liquid Equilibria (Miscibility Gaps) (
LLE
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
n.a.
2
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Heat Capacities of Mixtures, Excess Heat Capacities (
CPE
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
4
1
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
(A)zeotropic Data (
AZD
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
9
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Solid-Liquid Equilibria (
SLE
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
7
1
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Vapor-Liquid Equilibria of Electrolyte Systems (
ELE
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
n.a.
24
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Densities and Volumes of Mixtures, Excess Volumes (
VE
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
15
16
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Salt Solubilities (
ESLE
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
n.a.
2
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Mixture Viscosities (
VIS
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
14
18
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Mixture Surface Tensions (
MSFT
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
n.a.
3
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Mixture Speeds of Sound (
MSOS
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
n.a.
13
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Electrical Conductivities (
ECND
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
n.a.
18
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Further Thermodynamic Properties (
X
)
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
1
2
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Total
DDB#
Name
2421
6357
1000455
1001008
Sodium dihydrogen phosphate hydrate
174
Water
63
100
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1000455
Sodium dihydrogen phosphate dihydrate
n.a.
Dortmund Data Bank Version: February 2024
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