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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
13496	Ammonium dihydrogen phosphate	7722-76-1	H₆NO₄P	Overview	Details
13513	Diammoniumhydrogen phosphate	7783-28-0	H₉N₂O₄P	Overview	Details
18289	Ammonium Oxide	12161-77-2	H₈N₂O	Overview	Details
1001932	Ammonium phosphate trihydrate		(NH₄)₃PO₄*3H₂O	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	29	n.a.	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	21	5	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	11	n.a.	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	1	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	15	14	1	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	42	19	9	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	2	71	20	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	1	n.a.	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	40	4	5	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	3	n.a.	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	12	4	9	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	13	n.a.	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	2	n.a.	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	27	7	8	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	3	n.a.	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	21	1	n.a.	n.a.	n.a.
2245	Phosphoric acid		n.a.	n.a.	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

**Total**
DDB#	Name	2245	13496	13513	18289	1001932	Ammonium phosphate trihydrate
174	Water	242	125	52	n.a.	n.a.
2245	Phosphoric acid		n.a.	1	n.a.	n.a.
13496	Ammonium dihydrogen phosphate			n.a.	n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.	n.a.
18289	Ammonium Oxide					n.a.

Dortmund Data Bank Version: February 2024

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