di·ni·tro·ben·zene 
(dī-nī′trō-bĕnzēn′, -bĕn-zēn)
(dī-nī′trō-bĕnzēn′, -bĕn-zēn)n.
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.