What is cumene reaction?
The cumene process (cumene–phenol process, Hock process) is an industrial process for synthesizing phenol and acetone from benzene and propylene. The term stems from cumene (isopropyl benzene), the intermediate material during the process.
How is cumene produced?
Cumene is produced from the distillation of coal tar and petroleum fractions or by the alkylation of benzene with propene using an acidic catalyst. It is used almost exclusively to produce phenol and acetone. Cumene occurs naturally in crude oil, and is found in the environment in plants and foodstuff.
What is the chemical name of cumene?
isopropylbenzene
Cumene (isopropylbenzene) is an organic compound that is based on an aromatic hydrocarbon with an aliphatic substitution. It is a constituent of crude oil and refined fuels. It is a flammable colorless liquid that has a boiling point of 152 °C.
What is another name for cumene?
Cumene, also known as isopropylbenzene, 2-phenylpropane, or (1-methylethyl) benzene, is a colorless, volatile liquid with a gasoline-like odor.
How do you convert benzene to cumene?
(i)When benzene reacts with propylene in presence of anhydrous aluminium chloride, it forms cumene. The reaction is known as Friedel –Crafts alkylation and it can be written as, Cumene is mainly used for the preparation of organic compounds like phenol and acetone.
Is cumene a derivative of benzene?
The major industrial products from benzene are alkylated derivatives such as ethylbenzene and cumene, which are used as basic materials for the production of styrene and phenol, and long-chain alkylbenzenes, which are used as feedstocks in the manufacture of surfactants.
What is cumene explain the preparation of phenol from cumene?
To prepare phenol, cumene is first oxidised in the presence of air to cumene hydroperoxide. (Isoprophyl benzene)CumeneO2 Cumene hydroperoxide. Now, cumene hydroperoxide is treated with dilute acid to prepare phenol and acetone as by-products.
Which is cumene among the following?
Cumene is an alkylbenzene that is benzene carrying an isopropyl group. EPA has classified cumene as a Group D, not classifiable as to human carcinogenicity.
Why is it called cumene?
Cumene is a common name for isopropylbenzene, an organic compound. Cumene is a volatile colorless liquid at room temperature with a characteristic sharp, penetrating, aromatic odor.
How is cumene converted to phenol?
Now conversion of cumene to phenol, On oxidation of cumene (Isopropyl benzene) in the presence of air, cumene hydroperoxide is found. Upon further action of cumene hydroperoxide with dilute acid, phenols are produced. Acetone is also made as one of the by-products of the reaction in large quantities.
Is cumene a petrochemical?
Cumene (Chemical Abstracts Service Registry Number 98-82-8) is a water-insoluble petrochemical used in the manufacture of several chemicals including phenol and acetone.
What is the reagent which will react with cumene to give phenol?
cumene hydroperoxide
What is the reagent which will react with cumene to give phenol? Explanation: Upon oxidation of cumene (isopropylbenzene) in presence of air (oxygen), cumene hydroperoxide is obtained. Upon further treatment of cumene hydroperoxide with dilute acid phenols are obtained. 7.