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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
6308
Sodium hydroxide
1310-73-2
HNaO
Overview
Details
6357
Sodium dihydrogen phosphate
7558-80-7
H
2
NaO
4
P
Overview
Details
1002149
Sodium dihydrogen phosphate mono(phosphoric
acid)
NaH
2
PO
4
*H
3
PO
4
Overview
Details
1004659
Disodium hydrogen sodium dihydrogen phosphate
Na
3
H
3
(PO
4
)
2
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
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
13
27
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Liquid-Liquid Equilibria (Miscibility Gaps) (
LLE
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
n.a.
2
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Heat Capacities of Mixtures, Excess Heat Capacities (
CPE
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
4
52
1
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
(A)zeotropic Data (
AZD
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
9
n.a.
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Solid-Liquid Equilibria (
SLE
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
7
4
1
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Vapor-Liquid Equilibria of Electrolyte Systems (
ELE
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
101
24
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Densities and Volumes of Mixtures, Excess Volumes (
VE
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
15
179
16
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Salt Solubilities (
ESLE
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
19
2
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Critical Data of Mixtures (
CRI
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
1
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Mixture Viscosities (
VIS
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
14
40
18
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Mixture Surface Tensions (
MSFT
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
7
3
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Mixture Speeds of Sound (
MSOS
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
22
13
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Mixture Thermal Conductivities (
MTCN
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
8
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Mixture Dielectric Constants (
MDEC
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
5
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Mixture P-v-T Data (
MPVT
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
101
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Electrical Conductivities (
ECND
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
83
18
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Diffusion Coefficients (
DIF
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
n.a.
1
n.a.
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Further Thermodynamic Properties (
X
)
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
1
65
2
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Total
DDB#
Name
2421
6308
6357
1002149
1004659
Disodium hydrogen sodium dihydrogen phosphate
174
Water
63
715
100
n.a.
n.a.
2421
Phosphorus pentoxide
n.a.
n.a.
n.a.
n.a.
6308
Sodium hydroxide
n.a.
n.a.
n.a.
6357
Sodium dihydrogen phosphate
n.a.
n.a.
1002149
Sodium dihydrogen phosphate mono(phosphoric acid)
n.a.
Dortmund Data Bank Version: February 2024
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