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。