347833
Dibenzothiophene
≥99%
Synonym(s):
DBT, Diphenylene sulfide
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About This Item
Empirical Formula (Hill Notation):
C12H8S
CAS Number:
Molecular Weight:
184.26
Beilstein:
121101
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
≥99%
form
crystalline (powder)
color
white
bp
332-333 °C (lit.)
mp
97-100 °C (lit.)
SMILES string
c1ccc2c(c1)sc3ccccc23
InChI
1S/C12H8S/c1-3-7-11-9(5-1)10-6-2-4-8-12(10)13-11/h1-8H
InChI key
IYYZUPMFVPLQIF-UHFFFAOYSA-N
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General description
Dibenzothiophene is an important representative of polycyclic aromatic hydrocarbons (PAHs). Kinetics of hydrodesulfurization of dibenzothiophene on presulflded molybdenaalumina catalyst has been studied in a high-pressure-flow microreactor. Biodesulfurization of dibenzothiophene by selective cleavage of carbon sulphur bonds by a thermophilic bacterium Bacillus subtilis WU-S2B has been reported.
Application
Dibenzothiophene was employed as heavy model sulfur compound to investigate the effect of heavy sulfur compounds on the percentage of sulfur in gasoline range during the Fluid Catalytic Cracking (FCC) process.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
338.0 °F
Flash Point(C)
170 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Heterocyclic organosulfur compounds such as dibenzothiophene (DBT) in petroleum cannot be completely removed by hydrodesulfurization using chemical catalysts. A moderately thermophilic bacterium Bacillus subtilis WU-S2B, which could desulfurize DBT at 50 degrees C through the selective cleavage of carbon-sulfur (CS)
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The reaction between [V(IV)OSO(4)] and the tetradentate N(2)O(2)-donor Schiff base ligand, N,N-bis(o-hydroxybenzaldehyde)phenylenediamine (sal-HBPD), obtained by the condensation of salicylaldehyde and o-phenylenediamine in a molar ratio of 2 : 1 respectively, resulted in the formation of [V(IV)O(sal-HBPD)]. The molecular structure of
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