Di nitro toluene is a organic compound pale yellow in colour, solid crystalline in nature and is also called as precursor to trinitrotoluene and is mainly produced as precursor to toluene diisocynate. Di nitro toluene does not naturally occur in the environment. It is usually produced by mixing toluene with nitric and sulphuric acid. It is notomatic explosive that exist in six isomers : 2,4- and 2,6-DNT are the two major forms of the chemical . The other four forms (2,3-DNT, 2,5-DNT, 3-4-DNT, and 3,5-DNT) make up only 5% of the technical grade.