Jainik Industries offers 4-Nitro Aniline 2-Sulphonic Acid under the name of `P.N.A.O.S.A`. Jainik Industries is an ISO 9000 certified company that offers dye intermediates to the chemical industries. The 4-Nitro Aniline 2-Sulphonic Acid has the empirical formula C6H6N2O5S. It has the molecular weight 218 along with the wet percentage of 70% and dry proportion of 88% respectively. The 4-Nitro Aniline 2-Sulphonic Acid is available in yellow to reddish yellow colour. It is used as direct blue 54 C.I. 27960, acid black 66 C.I. 30275 and mordant orange 15 C.I. 14035.