Any of three isomeric compounds, C6H4(NO2)2, made from a mixture of nitric acid, sulfuric acid, and heated benzene and used in celluloid manufacture, in dyes, and in organic synthesis.

• 二硝基苯三种异构体中的任何一种，C6H4（NO2）2，由硝酸、硫酸与苯形成。用于赛璐珞、染料与有机合成