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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
11385 Dipotassium hydrogen phosphate 7758-11-4 HK2O4P Overview Details
1000970 Dipotassium hydrogen phosphate 7758-11-4 HK2O4P Overview Details
1003149 Potassium phosphate trihydrate K3PO4*3H2O Overview Details
1003224 Dipotassium hydrogen phosphate potassium
dihydrogen phosphate dihydrate		 K3H3(PO4)2*2H2O Overview Details
1003225 Tris(dipotassium hydrogen phosphate) potassium
dihydrogen phosphate dihydrate		 K7H5(PO4)4*2H2O 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 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water 13 3 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water n.a. n.a. 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water 4 56 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

(A)zeotropic Data (AZD)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water 7 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Vapor-Liquid Equilibria of Electrolyte Systems (ELE)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water n.a. 43 19 1 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water 15 119 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Salt Solubilities (ESLE)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water n.a. 13 3 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Mixture Viscosities (VIS)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water 14 33 18 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water n.a. 8 3 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water n.a. 9 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water n.a. 9 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Electrical Conductivities (ECND)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Diffusion Coefficients (DIF)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Further Thermodynamic Properties (X)
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water 1 23 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Total
DDB# Name 2421 4128 11385 1000970 1003149 1003224 1003225 Tris(dipotassium hydrogen phosphate) potassium dihydrogen phosphate dihydrate
174 Water 63 375 77 1 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.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a. n.a.
11385 Dipotassium hydrogen phosphate n.a. n.a. n.a.
1003149 Potassium phosphate trihydrate n.a. n.a.
1003224 Dipotassium hydrogen phosphate potassium dihydrogen phosphate dihydrate n.a.

Dortmund Data Bank Version: February 2024
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