Table of Contents
What does cumene do to your body?
Acute (short-term) inhalation exposure to cumene may cause headaches, dizziness, drowsiness, slight incoordination, and unconsciousness in humans. Cumene has a potent central nervous system (CNS) depressant action characterized by a slow induction period and long duration of narcotic effects in animals.
What is cumene made from?
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.
Is cumene an isopropylbenzene?
Cumene is a common name for isopropylbenzene, an organic compound.
Who produces cumene?
Commercial production of cumene is by Friedel–Crafts alkylation of benzene with propylene. Cumene producers account for approximately 20% of the global demand for benzene.
Is cumene a carcinogen?
Cumene is reasonably anticipated to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in experimental animals. Cumene caused tumors at several tissue sites, including lung and liver in mice and kidney in male rats.
What does cumene smell like?
Cumene, also known as isopropylbenzene, 2-phenylpropane, or (1-methylethyl) benzene, is a colorless, volatile liquid with a gasoline-like odor. It is a natural component of coal tar and crude oil, and also can be used as a blending component in gasoline.
How do you get cumene?
Cumene is an organic compound obtained by Friedel-Crafts alkylation of benzene with propylene. Upon oxidation of cumene (isopropylbenzene) in the presence of air, cumene hydroperoxide is obtained. Upon further treatment of cumene hydroperoxide with dilute acid, phenols are obtained.
What happens when cumene exposed to air?
Cumene is oxidised in presence of oxygen to form cumenehydroperxide. Write the reaction for the oxidation of cumene to form cumene hydroperoxide. In presence of dilute aqueous acids, cumene hydroperoxide undergoes hydrolysis to form a mixture of phenol and acetone.
What is a cumene unit?
Cumene (isopropyl benzene) is produced by reacting propylene and benzene over an acid catalyst. Cumene may be used to increase the octane in gasoline, but its primary use is as a feedstock for manufacturing phenol and acetone. The plant where you are employed has been buying cumene to produce phenol.
How do you store cumene?
* Store in tightly closed containers in a cool, well-ventilated area away from HEAT and DIRECT SUNLIGHT. * Sources of ignition, such as smoking and open flames, are prohibited where Cumene Hydroperoxide is used, handled, or stored.
How will you prepare cumene?
What is the use of cumene hydroperoxide?
Cumene Hydroperoxide is a colorless to pale yellow liquid with a strong odor. It is used to make Acetone and Phenol, as a curing agent, and a polymerization catalyst.
How is phenol produced from cumene?
Liquid-phase oxidation of cumene with molecular oxygen produces cumene hydroperoxide, which is subsequently decomposed catalytically into phenol and acetone. The oxidation requires the use of thoroughly purified cumene.
Is cumene hydroperoxide an organic peroxide?
Cumene Hydroperoxide [CAS: 80-15-9] is a colorless to yellow liquid that is a relatively stable organic peroxide. Cumene Hydroperoxide is produced by the oxidation of Cumene as a co-product of phenol.
How is cumene hydroperoxide made?
Cumene (isopropylbenzene), required for the Hock process, is produced25 by alkylation of benzene with propylene over a solid phosphoric acid catalyst (UOP-process). Cumene is oxidized with oxygen in air in the liquid phase to cumene hydroperoxide (CHP).