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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
2421	Phosphorus pentoxide	1314-56-3	O₅P₂	Overview	Details
4557	Calcium oxide	1305-78-8	CaO	Overview	Details
26499	Calcium hydrogen phosphate		HCaO₄P	Overview	Details
26500	Calcium dihydrogen phosphate		H₄CaO₈P₂	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	13	n.a.	n.a.	n.a.
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	4	n.a.	n.a.	n.a.
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	9	n.a.	n.a.	n.a.
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	7	n.a.	n.a.	n.a.
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	15	n.a.	n.a.	n.a.
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	n.a.	n.a.	1	n.a.
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	14	n.a.	n.a.	n.a.
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	n.a.	n.a.	n.a.	5
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	1	n.a.	n.a.	n.a.
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

**Total**
DDB#	Name	2421	4557	26499	26500	Calcium dihydrogen phosphate
174	Water	63	n.a.	1	5
2421	Phosphorus pentoxide		n.a.	n.a.	n.a.
4557	Calcium oxide			n.a.	n.a.
26499	Calcium hydrogen phosphate				n.a.

Dortmund Data Bank Version: February 2024

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