dinitrobenzene

[ dahy-nahy-truh-ben-zeen, -ben-zeen ]

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.

dinitrobenzene

/ 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

dinitrobenzene

/ 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 .

Word History and Origins

Origin of dinitrobenzene¹

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

Example Sentences

No other nitro-bodies were made in England on the large scale during the European War, but on the Continent, owing to the scarcity of raw materials, dinitrobenzene, dinitrotoluene, and nitronaphthalenes, and even less important nitro-bodies, were made.

From Project Gutenberg

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

From Project Gutenberg

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 Project Gutenberg

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

From Project Gutenberg

Dinitrobenzene causes symptoms resembling nitro-benzol poisoning, and when acting as a chronic poison gives rise to weakness, jaundice, peripheral neuritis.

From Project Gutenberg