4,6-Dimethyldibenzothiophene


4,6-Dimethyldibenzothiophene is an organosulfur compound with the formula (C6H3CH3)2S. It is one of several dimethyl derivatives of benzothiophene. The compound is of particular interest as an organosulfur contaminant in petroleum that is recalcitrant. Both methyl groups shield the sulfur center from desulfurization.

4,6-Dimethyldibenzothiophene
Names
Other names
4,6-DMDBT
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 214-894-7
PubChem CID
  • InChI=1S/C14H12S/c1-9-5-3-7-11-12-8-4-6-10(2)14(12)15-13(9)11/h3-8H,1-2H3
    Key: MYAQZIAVOLKEGW-UHFFFAOYSA-N
SMILES
  • CC1=C2C(=CC=C1)C3=CC=CC(=C3S2)C
Properties
C14H12S
Molar mass 212.31 g·mol−1
Appearance white solid
Density 1.18 g/cm3
Melting point 153–157 °C (307–315 °F; 426–430 K)
Hazards
GHS labelling:
Warning
H302
P264, P270, P301+P317, P330, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The compound can be oxidized to the sulfoxide with hydrogen peroxide. Many methods for synthesis of this compound have been described. Often the methods proceed via derivatives of diphenyl sulfide.

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