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Dortmund Data Bank
Thermophysical Data for Process Design
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Query

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DDB#	Name	CAS-RN	Formula
174	Water	7732-18-5	H₂O	Overview	Details
210	Ammonia	7664-41-7	H₃N	Overview	Details
2245	Phosphoric acid	7664-38-2	H₃O₄P	Overview	Details
13513	Diammoniumhydrogen phosphate	7783-28-0	H₉N₂O₄P	Overview	Details
1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)		(NH₄)₇H₂(PO₄)₃	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	384	29	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Heats of Mixing (HE)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	6	n.a.	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Gas Solubilities (GLE)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	74	n.a.	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	16	21	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	74	n.a.	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	23	11	n.a.	n.a.
210	Ammonia		1	n.a.	n.a.
2245	Phosphoric acid			1	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	n.a.	15	1	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	233	42	9	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	n.a.	2	20	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	7	1	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	35	40	5	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	n.a.	3	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	n.a.	12	9	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	39	13	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	n.a.	2	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	82	n.a.	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	7	27	8	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	2	3	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	101	21	n.a.	n.a.
210	Ammonia		n.a.	n.a.	n.a.
2245	Phosphoric acid			n.a.	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

**Total**
DDB#	Name	210	2245	13513	1001988	Ammonium phosphate bis(diammonium hydrogen phosphate)
174	Water	1083	242	52	n.a.
210	Ammonia		1	n.a.	n.a.
2245	Phosphoric acid			1	n.a.
13513	Diammoniumhydrogen phosphate				n.a.

Dortmund Data Bank Version: February 2024

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