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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
31	Benzene	71-43-2	C₆H₆	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
190	1,3,5-Trioxane	110-88-3	C₃H₆O₃	Overview	Details
225	Formaldehyde	50-00-0	CH₂O	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	34	2	n.a.
174	Water		14	91
190	1,3,5-Trioxane			n.a.

**Heats of Mixing (HE)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	76	n.a.	n.a.
174	Water		n.a.	n.a.
190	1,3,5-Trioxane			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	44	n.a.	n.a.
174	Water		n.a.	15
190	1,3,5-Trioxane			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	291	n.a.	n.a.
174	Water		n.a.	1
190	1,3,5-Trioxane			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	183	n.a.	n.a.
174	Water		n.a.	n.a.
190	1,3,5-Trioxane			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	1	n.a.	n.a.
174	Water		n.a.	n.a.
190	1,3,5-Trioxane			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	54	2	n.a.
174	Water		10	14
190	1,3,5-Trioxane			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	2	4	n.a.
174	Water		10	10
190	1,3,5-Trioxane			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	159	1	n.a.
174	Water		12	17
190	1,3,5-Trioxane			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	10	n.a.	n.a.
174	Water		n.a.	n.a.
190	1,3,5-Trioxane			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	n.a.	n.a.	n.a.
174	Water		n.a.	4
190	1,3,5-Trioxane			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	13	n.a.	n.a.
174	Water		n.a.	n.a.
190	1,3,5-Trioxane			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	n.a.	n.a.	n.a.
174	Water		6	5
190	1,3,5-Trioxane			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	23	1	n.a.
174	Water		n.a.	11
190	1,3,5-Trioxane			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	19	n.a.	n.a.
174	Water		1	4
190	1,3,5-Trioxane			n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	1	n.a.	n.a.
174	Water		n.a.	n.a.
190	1,3,5-Trioxane			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	3	n.a.	n.a.
174	Water		1	n.a.
190	1,3,5-Trioxane			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	28	n.a.	n.a.
174	Water		12	15
190	1,3,5-Trioxane			n.a.

**Total**
DDB#	Name	174	190	225	Formaldehyde
31	Benzene	941	10	n.a.
174	Water		66	187
190	1,3,5-Trioxane			n.a.

Dortmund Data Bank Version: February 2024

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