Dibenzothiophene

Structural formula
General
Surname	Dibenzothiophene
other names	DBT Dibenzo [ b, d ] thiophene Diphenylene sulfide
Molecular formula	C 12 H 8 S
Brief description	beige, crystalline powder with a faint odor colorless, needle-shaped crystals
External identifiers / databases
CAS number 132-65-0 EC number 205-072-9 ECHA InfoCard 100.004.613 PubChem 3023 Wikidata Q544767
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
GHS labeling of hazardous substances Caution H and P phrases H: 302-410 P: 273-501
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

1. ↑ ^{a b c d} Entry on dibenzothiophene in the GESTIS substance database of the IFA , accessed on February 13, 2017(JavaScript required) .
2. ↑ Entry on dibenzothiophene. In: Römpp Online . Georg Thieme Verlag, accessed on April 4, 2014.
3. ↑ ^{a b} data sheet dibenzothiophene, 98% from Sigma-Aldrich , accessed on April 4, 2014 ( PDF ).
4. ^ 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 ).