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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 H2O Overview Details
2245 Phosphoric acid 7664-38-2 H3O4P Overview Details
2421 Phosphorus pentoxide 1314-56-3 O5P2 Overview Details
4933 Calciumhydroxide 1305-62-0 H2CaO2 Overview Details
26500 Calcium dihydrogen phosphate H4CaO8P2 Overview Details
1001720 Calcium dihydrogen phosphate monohydrate CaH4(PO4)2*H2O Overview Details
1002098 Phosphoric acid 1/2 hydrate H3PO4*0.5H2O Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 29 13 n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 21 4 n.a. n.a. n.a. n.a.
2245 Phosphoric acid 4 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

(A)zeotropic Data (AZD)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water n.a. 9 n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 11 7 n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Vapor-Liquid Equilibria of Electrolyte Systems (ELE)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 15 n.a. n.a. n.a. 1 n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 42 15 n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Salt Solubilities (ESLE)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 2 n.a. 36 n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Critical Data of Mixtures (CRI)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 1 n.a. n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Mixture Viscosities (VIS)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 40 14 n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 3 n.a. n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 12 n.a. n.a. 5 n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 13 n.a. n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 2 n.a. 2 n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Electrical Conductivities (ECND)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 27 n.a. n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Diffusion Coefficients (DIF)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 3 n.a. n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Further Thermodynamic Properties (X)
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 21 1 n.a. n.a. n.a. n.a.
2245 Phosphoric acid n.a. n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Total
DDB# Name 2245 2421 4933 26500 1001720 1002098 Phosphoric acid 1/2 hydrate
174 Water 242 63 38 5 1 n.a.
2245 Phosphoric acid 4 n.a. n.a. n.a. n.a.
2421 Phosphorus pentoxide n.a. n.a. n.a. n.a.
4933 Calciumhydroxide n.a. n.a. n.a.
26500 Calcium dihydrogen phosphate n.a. n.a.
1001720 Calcium dihydrogen phosphate monohydrate n.a.

Dortmund Data Bank Version: February 2024
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