Dibenzothiophene
Structural formula | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
General | ||||||||||||||||
Surname | Dibenzothiophene | |||||||||||||||
other names |
|
|||||||||||||||
Molecular formula | C 12 H 8 S | |||||||||||||||
Brief description |
|
|||||||||||||||
External identifiers / databases | ||||||||||||||||
|
||||||||||||||||
properties | ||||||||||||||||
Molar mass | 184.26 g mol −1 | |||||||||||||||
Physical state |
firmly |
|||||||||||||||
Melting point |
97-100 ° C |
|||||||||||||||
boiling point |
332-333 ° C |
|||||||||||||||
solubility |
practically insoluble in water (1.5 mg l −1 at 25 ° C) |
|||||||||||||||
safety instructions | ||||||||||||||||
|
||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Dibenzothiophene is a chemical compound that consists of two benzene rings and a central thiophene ring . It is the S analog of dibenzofuran . Dibenzothiophene is found in petroleum and coal tar .
Extraction and presentation
Dibenzothiophene can be obtained by reacting biphenyl with sulfur dichloride in the presence of aluminum chloride.
Individual evidence
- ↑ a b c d Entry on dibenzothiophene in the GESTIS substance database of the IFA , accessed on February 13, 2017(JavaScript required) .
- ↑ Entry on dibenzothiophene. In: Römpp Online . Georg Thieme Verlag, accessed on April 4, 2014.
- ↑ a b data sheet dibenzothiophene, 98% from Sigma-Aldrich , accessed on April 4, 2014 ( PDF ).
- ^ LH Klemm, Joseph J. Karchesy: The insertion and extrusion of heterosulfur bridges. VIII. Dibenzothiophenes from biphenyl and derivatives . In: Journal of Heterocyclic Chemistry . tape 15 , no. 4 , June 1978, p. 561-563 , doi : 10.1002 / jhet.5570150407 ( PDF ).