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Diethylaluminum chloride (DEAC)  CAS:96-10-6 is an organoaluminum compound commonly used as a Lewis acid catalyst in various chemical reactions. It is typically prepared as a solution in an organic solvent such as hexanes to facilitate its handling and use in reactions.

A 1.0 M solution of diethylaluminum chloride in hexanes means that there is 1 mole of DEAC dissolved in 1 liter of hexanes. This concentration is commonly used in many catalytic reactions.

It is important to note that diethylaluminum chloride is highly reactive and air-sensitive. Therefore, it should be handled with caution, preferably under inert atmosphere conditions such as a nitrogen or argon atmosphere. It should also be stored in a tightly sealed container to prevent contact with air and moisture, which can degrade its reactivity.

When using diethylaluminum chloride solution, it is essential to follow proper safety protocols, including wearing appropriate protective equipment (such as gloves and goggles) and working in a well-ventilated area.