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*** Benzene is a carcinogen (cancer-causing agent). *** Very flammable. The pure material, and any solutions containing it, constitute a fire risk. Safe handling: Benzene should NOT be used at all unless no safer alternatives are available. If benzene must be used in an experiment, it should be handled at all stages in a fume cupboard.
The word "benzene" derives from "gum benzoin" (benzoin resin), an aromatic resin known since ancient times in Southeast Asia, and later to European pharmacists and perfumers in the 16th century via trade routes. [17] An acidic material was derived from benzoin by sublimation, and named "flowers of benzoin", or benzoic acid.
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PubChem can be accessed for free through a web user interface. Millions of compound structures and descriptive datasets can be freely downloaded via FTP. PubChem contains multiple substance descriptions and small molecules with fewer than 100 atoms and 1,000 bonds. More than 80 database vendors contribute to the growing PubChem database. [2]
1,4-Dicyanobenzene is an organic compound with the formula C 6 H 4 (CN) 2.Two other isomers exist, phthalonitrile and isophthalonitrile.All three isomers are produced commercially by ammoxidation of the corresponding xylene isomers.
Diethylbenzenes arise as side-products of the alkylation of benzene with ethylene, which can be described as two steps. The first step is the industrial route to ethylbenzene, which is produced on a large scale as a precursor to styrene. C 6 H 6 + C 2 H 4 → C 6 H 5 C 2 H 5. The diethylbenzene is an inadvertent side product. C 6 H 5 C 2 H 5 ...
Its structure consists of a benzene ring para-substituted with a methyl group and an isopropyl group. p -Cymene is insoluble in water, but miscible with organic solvents . Isomers and production
1,3-Benzodioxole (1,2-methylenedioxybenzene) is an organic compound with the formula C 6 H 4 O 2 CH 2.The compound is classified as benzene derivative and a heterocyclic compound containing the methylenedioxy functional group.