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Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
174 Water 7732-18-5 H2O Overview Details
2421 Phosphorus pentoxide 1314-56-3 O5P2 Overview Details
4128 Potassium hydroxide 1310-58-3 HKO Overview Details
6356 Potassium dihydrogen phosphate 7778-77-0 H2KO4P Overview Details
12309 Tribromo heptyl silane 18301-72-9 C7H15Br3Si Overview Details
1001512 Potassium phosphate heptahydrate K3PO4*7H2O Overview Details
1003223 Potassium dihydrogen phosphate orthophosphoric
acid		 KH5(PO4)2 Overview Details
1004661 Bis(Dipotassium hydrogen) potassium dihydrogen
phosphate monohydrate		 K5H4(PO4)3*H2O 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 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water 13 3 n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. n.a. 2 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water 4 56 5 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

(A)zeotropic Data (AZD)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water 9 n.a. n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water 7 3 1 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Vapor-Liquid Equilibria of Electrolyte Systems (ELE)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 43 23 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water 15 119 19 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Salt Solubilities (ESLE)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 13 43 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Mixture Viscosities (VIS)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water 14 33 12 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 8 5 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 9 8 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 9 1 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 20 n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 1 n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Electrical Conductivities (ECND)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 32 9 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Diffusion Coefficients (DIF)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water n.a. 3 n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Further Thermodynamic Properties (X)
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water 1 23 4 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Total
DDB# Name 2421 4128 6356 12309 1001512 1003223 1004661 Bis(Dipotassium hydrogen) potassium dihydrogen phosphate monohydrate
174 Water 63 375 132 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a. n.a. n.a.
4128 Potassium hydroxide n.a. n.a. n.a. n.a. n.a.
6356 Potassium dihydrogen phosphate n.a. n.a. n.a. n.a.
12309 Tribromo heptyl silane n.a. n.a. n.a.
1001512 Potassium phosphate heptahydrate n.a. n.a.
1003223 Potassium dihydrogen phosphate orthophosphoric acid n.a.

Dortmund Data Bank Version: February 2024
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