STH isopropyl benzene (cumene) for hromatogr. (3 ml)
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Description
STH isopropyl benzene (cumene) for hromatogr. (3 ml)
Cumene — C6H5CH(CH3)2 isopropyl benzene, aromatic organic compound, colorless combustible liquid.
The colorless combustible liquid, almost water - insoluble (less than 0,01% ), mixes up with alcohol, ether, benzene. Boiling temperature — 152,4 °C.
Cumene is intermediate product when receiving fenolaiatseton one of industrial ways.
Cumene — C6H5CH(CH3)2 isopropyl benzene, aromatic organic compound, colorless combustible liquid.
The colorless combustible liquid, almost water - insoluble (less than 0,01% ), mixes up with alcohol, ether, benzene. Boiling temperature — 152,4 °C.
Cumene is intermediate product when receiving fenolaiatseton one of industrial ways.
Process is known under the name of reaction of Udrisa - Sergeyev — oxidation of isopropyl benzene of kislorodomvozdukh in cumylhydroperoxide with the subsequent its decomposition by sulphuric acid:
C6H5CH(CH3)2 + O2 → C6H5COOH(CH3)2→ C6H5OH + (CH3)2CO
By - products of decomposition are α - methylstyrene, acetophenone, dimethyl phenyl carbinol.
During the work with cumene it is necessary to observe all precautionary measures concerning flammable and toxic organic substances.
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STH isopropyl benzene (cumene) for hromatogr. (3 ml)
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