Synthesis of Stoli Ohranj

Synthesis of Stoli Ohranj - Gloria Park Hye Oh Saamia...

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Gloria Park, Hye Oh Saamia Noorali, Amanda Nixon The Synthesis of Stoli Ohranj Purpose: The purpose of this lab was to synthesize Stoli Ohranj in two steps. The first step was the fractional distillation of ethanol/water mixture and the second step was the steam distillation of orange oil from orange peel. The products of the both steps were combined and the resultant solution diluted to achieve the necessary alcohol level. Abstract: The synthesis of Stoli Ohranj was successful as shown with the formation of the louche. Not only was a fractional distillation of ethanol-water necessary in synthesizing Stoli Ohranj, but a steam distillation of orange peels to isolate orange oil was also necessary. After performing the steam distillation with water and an orange peel, the extraction of orange oil was accomplished by adding methylene chloride to the aqueous distillate and then separating it. Residual water was removed by adding anhydrous sodium sulfate, a drying agent that absorbs water into its crystal lattice, and then the solvent was boiled away to isolate the orange oil. The ethanol/water azeotrope distillate was then combined with the extracted orange oil and diluted with water to achieve the right concentration of alcohol. Introduction: The major aspects of this lab include the processes of fractional and steam distillation and also extraction. The process of heating a liquid until it boils, capturing and cooling the resultant hot vapors, and collecting condensed vapors are all part of distillation. It is a commonly used technique in the laboratory to identify a compound by its boiling point. Distillation is also equally important in purifying a compound by separating it from another material. This happens because different compounds in a mixture have different boiling points allowing them to separate into components. The second major method is extraction. In this lab liquid-liquid extractions are used to separate methylene chloride and the aqueous distillate. It is possible to extract the methylene chloride out of the distillate because the two liquids were immiscible. Some compounds are more soluble in the organic layer than the aqueous layer allowing the distinct layers to emerge. Orange oil is another important feature of the lab. Orange oil is produced by the glands located in the rind of the orange. It is 94% Limonene but it also includes Pinene, Sabinene, Mycrene, Octanal, Linalool, 3-Carene, and Decanal. 1 Limonene is what gives the orange the citrus-like scent. So, at the start of distillation the citrus scent should intensify. Experimental:
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Synthesis of Stoli Ohranj - Gloria Park Hye Oh Saamia...

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