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MilliporeSigma

347833

Dibenzothiophene

≥99%

Synonym(s):

DBT, Diphenylene sulfide

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About This Item

Empirical Formula (Hill Notation):
C12H8S
CAS Number:
132-65-0
Molecular Weight:
184.26
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24861532
EC Number:
205-072-9
Beilstein/REAXYS Number:
121101
MDL number:
MFCD00004969
Assay:
≥99%
Form:
crystalline (powder)

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InChI key

IYYZUPMFVPLQIF-UHFFFAOYSA-N

InChI

1S/C12H8S/c1-3-7-11-9(5-1)10-6-2-4-8-12(10)13-11/h1-8H

SMILES string

c1ccc2c(c1)sc3ccccc23

assay

≥99%

form

crystalline (powder)

color

white

bp

332-333 °C (lit.)

mp

97-100 °C (lit.)

Quality Level

100

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1 of 4

This Item
D322024577633820
Dibenzothiophene ≥99%

Sigma-Aldrich

347833

Dibenzothiophene

Dibenzothiophene 98%

Sigma-Aldrich

D32202

Dibenzothiophene

Dibenzothiophene analytical standard

Supelco

45776

Dibenzothiophene

Dibenzyl sulfide ≥95.0% (HPLC)

Sigma-Aldrich

33820

Dibenzyl sulfide

assay

≥99%

assay

98%

assay

-

assay

≥95.0% (HPLC)

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

form

crystalline (powder)

form

powder or crystals

form

-

form

solid

mp

97-100 °C (lit.)

mp

97-100 °C (lit.)

mp

97-100 °C (lit.)

mp

44-47 °C (lit.)

bp

332-333 °C (lit.)

bp

332-333 °C (lit.)

bp

332-333 °C (lit.)

bp

-

color

white

color

-

color

-

color

-

General description

Dibenzothiophene is an important representative of polycyclic aromatic hydrocarbons (PAHs).[1] Kinetics of hydrodesulfurization of dibenzothiophene on presulflded molybdenaalumina catalyst has been studied in a high-pressure-flow microreactor.[2] Biodesulfurization of dibenzothiophene by selective cleavage of carbon sulphur bonds by a thermophilic bacterium Bacillus subtilis WU-S2B has been reported.[3]

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.[4]

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

hcodes

H302,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

338.0 °F

flash_point_c

170 °C

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV5470
MKCM7231
MKCK2304
MKBV0233V
MKBR4721V

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The effect of heavy aromatic sulfur compounds on sulfur in cracked naphtha.
Valla JA, et al.
Catalysis Today, 127(1), 92-98 (2007)
Selectivity of molybdenum catalyst in hydrodesulfurization, hydrodenitrogenation, and hydrodeoxygenation: Effect of additives on dibenzothiophene hydrodesulfurization.
Nagai M and Toshiaki Kabe.
J. Catal., 81(2), 440-449 (1983)
K Kirimura et al.
Journal of bioscience and bioengineering, 91(3), 262-266 (2005-10-20)
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)
Kristina Lång et al.
European radiology, 26(1), 184-190 (2015-05-02)
To assess the performance of one-view digital breast tomosynthesis (DBT) in breast cancer screening. The Malmö Breast Tomosynthesis Screening Trial is a prospective population-based one-arm study with a planned inclusion of 15000 participants; a random sample of women aged 40-74
Meijun Li et al.
Journal of chromatography. A, 1233, 126-136 (2012-03-03)
Polycyclic aromatic sulfur heterocyclics (PASHs) consist mainly of thiophene class compounds, and are the most important organosulfur compounds in crude oils and sediment extracts. Dibenzothiophene (DBT) and its methylated homologues were identified on mass chromatograms by comparison with retention indices
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