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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
6357	Sodium dihydrogen phosphate	7558-80-7	H₂NaO₄P	Overview	Details
13449	Disodium phosphate	7558-79-4	HNa₂O₄P	Overview	Details
17173	1-Butyl-3-methylimidazolium tetrafluoroborate	174501-65-6	C₈H₁₅BF₄N₂	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	n.a.	n.a.	15
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Heats of Mixing (HE)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	n.a.	n.a.	10
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	n.a.	n.a.	1
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	2	3	5
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	1	n.a.	13
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	n.a.	n.a.	5
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	1	n.a.	1
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	24	17	11
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	16	14	82
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	2	4	n.a.
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	18	19	52
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	3	4	22
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	13	17	22
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	n.a.	n.a.	1
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	18	4	27
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	n.a.	n.a.	1
6357	Sodium dihydrogen phosphate		n.a.	n.a.
13449	Disodium phosphate			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	2	4	18
6357	Sodium dihydrogen phosphate		2	n.a.
13449	Disodium phosphate			n.a.

**Total**
DDB#	Name	6357	13449	17173	1-Butyl-3-methylimidazolium tetrafluoroborate
174	Water	100	86	286
6357	Sodium dihydrogen phosphate		2	n.a.
13449	Disodium phosphate			n.a.

Dortmund Data Bank Version: February 2024

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