Dibenzothiophene
Chemical compound
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Dibenzothiophene is an organosulfur compound with the formula C₁₂H₈S. It is a heterocyclic compound consisting of two benzene rings fused to a central thiophene ring. This compound is a white solid that is soluble in nonpolar solvents.
Occurrence[edit | edit source]
Dibenzothiophene is commonly found in crude oil and coal. It is a significant component of the sulfur content in these fossil fuels. The presence of dibenzothiophene and its derivatives in fossil fuels is a concern due to the release of sulfur dioxide during combustion, which contributes to acid rain.
Applications[edit | edit source]
Dibenzothiophene is used as a model compound in studies of desulfurization processes. The removal of sulfur from fossil fuels is an important step in reducing pollution and meeting environmental regulations.
Chemical Properties[edit | edit source]
Dibenzothiophene is relatively stable and does not react easily under normal conditions. However, it can be oxidized to form sulfoxides and sulfones, which are more polar and can be removed from fuels more easily.
Health and Safety[edit | edit source]
While dibenzothiophene itself is not highly toxic, its derivatives and the products of its combustion can be harmful. Sulfur dioxide, a byproduct of dibenzothiophene combustion, is a respiratory irritant and can exacerbate asthma and other respiratory conditions.
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References[edit | edit source]
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