CAS： 544-40-1
MF： C8H18S
Appearance： colourless liquid with a very unpleasant smell
Dibutyl sulfide (C₈H₁₈S) is a volatile organic sulfur compound known for its oily consistency and strong green, organic odor. It has a melting point of -80 °C, a boiling point of 182 °C (359.6 °F), and a density of 0.837–0.839 at 20 °C/4 °C. With CAS number 544-40-1 and EC number 208-870-5, it is classified as a storage class 10–13 substance with moderate water hazard (WGK 2). Dibutyl sulfide serves diverse industrial roles, including its use in chemical synthesis (e.g., preparing dibutyl sulfoxide for metal extraction), environmental monitoring, biosensor development, and as a solvent and extractant in petroleum and polymer production. Additionally, it is utilized in food flavoring, agriculture, lubrication, mining, and as a gas odorant. Naturally occurring in raw eggplant, mushrooms, and cooked beef, dibutyl sulfide's oxidation with hydrogen peroxide has been studied for its autocatalytic liquid–liquid reaction mechanism, revealing kinetic parameters with activation energies of 30.62 and 73.50 kJ/mol for its exterior and interior reaction stages, respectively.
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