Benzene, chemically pure, pure for the analysis
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- In detail
Benzene (C6H6, PhH) — organic chemical compound, colorless liquid with pleasant sweetish smell. The elementary aromatic hydrocarbon. Benzene is part of gasoline, is widely applied in the industry, is initial raw materials for production of drugs, different plastic, synthetic rubber, dyes. Though benzene is part of crude oil, commercially it is synthesized from other its components. It is toxic, cancerogenic.
The considerable part of the received benzene is used for synthesis of other products:
about 50% of benzene turn into ethyl benzene (benzene alkylation by ethylene);
about 25% of benzene turn into cumene (benzene alkylation by propylene);
about 10 — 15% of benzene hydrogenate in cyclohexane;
about 10% of benzene are spent for production of nitrobenzene;
2 — 3% of benzene turn into linear alkylbenzene;
about 1% of benzene is used for benzene chloride synthesis.
In significantly smaller quantities benzene is used for synthesis of some other connections. Occasionally and in extreme cases, in view of high toxicity, benzene is used as solvent. Besides, benzene is part of gasoline. In view of high toxicity its contents by new standards is limited to introduction to 1%.