dinitrobenzene

American  

[dahy-nahy-truh-ben-zeen, -ben-zeen] / daɪˌnaɪ trəˈbɛn zin, -bɛnˈzin /

noun

Chemistry.

1. any of three isomeric benzene derivatives having the formula C 6 H 4 NO 2 , made by nitration of benzene or nitrobenzene, the most important of which is the meta form: used chiefly in the manufacture of dyes.

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dinitrobenzene British  

/ daɪˌnaɪtrəʊˈbɛnziːn, -bɛnˈziːn /

noun

1. a yellow crystalline compound existing in three isomeric forms, obtained by reaction of benzene with nitric and sulphuric acids. The meta- form is used in the manufacture of dyes and plastics. Formula: C 6 H 4 (N0 2 ) 2

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dinitrobenzene Scientific  

/ dī-nī′trō-bĕn′zēn′ /

1. Any of three isomeric compounds made from a mixture of nitric acid, sulfuric acid, and heated benzene. Dinitrobenzenes are used in dyes, in synthesizing organic compounds, and in making celluloid. Chemical formula: C ₆ H ₄ N ₂ O ₄ .

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Etymology

Origin of dinitrobenzene

First recorded in 1870–75; di- ¹ + nitrobenzene

Example Sentences

Manchester brown introduced, the second azo-colour; leading to the manufacture of sodium nitrite, and of dinitrobenzene.

From Coal and What We Get from It by Meldola, Raphael

The brown is made by reducing the dinitrobenzene to diamidobenzene, and then treating a solution of the latter with sodium nitrite and an acid.

From Coal and What We Get from It by Meldola, Raphael

Other substances were used by them for shell filling, such as trinitroanisole, dinitrobenzene, hexanitrodiphenylamine, and hexanitrophenylsulphide.

From The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar by Various