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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
72	N,N-Dimethylformamide (DMF)	68-12-2	C₃H₇NO	Overview	Details
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
151	Dimethyl sulfoxide	67-68-5	C₂H₆OS	Overview	Details
283	Thiophene	110-02-1	C₄H₄S	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	11	9	5
91	Heptane		n.a.	3
151	Dimethyl sulfoxide			1

**Heats of Mixing (HE)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	9	2	n.a.
91	Heptane		n.a.	1
151	Dimethyl sulfoxide			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	40	n.a.	2
91	Heptane		26	1
151	Dimethyl sulfoxide			2

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	13	n.a.	n.a.
91	Heptane		6	1
151	Dimethyl sulfoxide			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	n.a.	1	n.a.
91	Heptane		n.a.	n.a.
151	Dimethyl sulfoxide			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	14	2	5
91	Heptane		n.a.	3
151	Dimethyl sulfoxide			1

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	n.a.	n.a.	n.a.
91	Heptane		n.a.	3
151	Dimethyl sulfoxide			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	5	10	n.a.
91	Heptane		n.a.	5
151	Dimethyl sulfoxide			6

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	1	n.a.	n.a.
91	Heptane		n.a.	n.a.
151	Dimethyl sulfoxide			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	4	14	n.a.
91	Heptane		n.a.	n.a.
151	Dimethyl sulfoxide			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	1	n.a.	n.a.
91	Heptane		n.a.	n.a.
151	Dimethyl sulfoxide			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	n.a.	3	n.a.
91	Heptane		n.a.	n.a.
151	Dimethyl sulfoxide			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	n.a.	2	n.a.
91	Heptane		n.a.	n.a.
151	Dimethyl sulfoxide			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	3	1	n.a.
91	Heptane		1	n.a.
151	Dimethyl sulfoxide			n.a.

**Total**
DDB#	Name	91	151	283	Thiophene
72	N,N-Dimethylformamide (DMF)	101	44	12
91	Heptane		33	17
151	Dimethyl sulfoxide			10

Dortmund Data Bank Version: February 2024

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