It is mainly used as a precursor to 1, 2-dichloro-4-nitrobenzene, an intermediate in the synthesis of agrochemicals.
32.
Other ingredients included glycerin, nitrate, sulfuric acid, and minute concentrations of nitrobenzene, silver azide ( silver trinitride ), and liquid acetone.
33.
Since the above synthetic route does not efficiently produce the 3-isomer, the route most commonly used by chemists is the chlorination of nitrobenzene.
34.
For example, indigo is described as " insoluble in water, alcohol, or ether but soluble in chloroform, nitrobenzene, or concentrated sulfuric acid ".
35.
The directing effect of the nitro group of nitrobenzene leads to 93 % of the product resulting from nitration at the " meta "-position.
36.
Purification of 3-nitrochlorobenzene is somewhat difficult since other isomers are formed even via chlorination of nitrobenzene, and all of these isomers have similar physical properties.
37.
The nitrobenzene level doubled on November 25 ( 0.5805 mg / L ), 33.15 times the national safety level, and began to decrease.
38.
It was provided in the form of permeable cartridges of the chlorate, which were placed in wire baskets and dipped in the nitrobenzene for a few seconds before use.
39.
The first Raman laser, realized in 1962, used nitrobenzene as the gain medium, which was intra-cavity-pumped inside a Q-switching ruby laser.
40.
The reaction conditions for the Pictet Hubert reaction were improved by Morgan and Walls in 1931, replacing the metal by phosphorus oxychloride and using nitrobenzene as a reaction solvent.
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