yes, toluene (density = 0.867 g/cm3) is used in the extraction of an organic compound from a dilute aqueous solution, it will form the upper layer. toluene is often the upper layer and aqueous layer the bottom.
Toluene is a naturally occurring component of crude oil and is used in the production of paints, explosives (TNT), and glues in addition to oil refining. Toluene can be discovered in household products like paint thinners, brush cleaners, nail polish, glue, inks, and stain removers.
As the organic extraction solvent, low polarity organic solvents such, toluene, dichloromethane, and diethyl ether are typically employed.
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