This is also called as 3- Nitro -1,2 Bnezenedicarboxylic asid . It has its extensive usage in chemical products such as canadesartan cilexetil, electrochemical, anti corrosive vanishes, and agro chemicals, The product is white crystalline product The product is available in 50 kg fibre drums. Its molecular weight does not exceed beyond 211.13. Other categories come into phthalic derivatives include 3 nitor-phthalonitrile which finds place in making of pesticide, drug intermediaries . Other products include 3 nitro-phthalic anhydride that finds use in CD coating , 4 -nitro phthalic acid in agro chemicals, and 4-nitor phthalic anhydride which is seen in usage of products such as pigment and drug intermediates. Except 3- Nitro Phthalic anhydride which is yellow in colour, most of the items have whitish appearance