Para Nitro Aniline Ortho Sulphonic Acid is available in a minimum purity level of 98%. Para Nitro Aniline Ortho Sulphonic Acid contains insoluble matter in a range of less than 0.2 %. Para Nitro Aniline Ortho Sulphonic Acid is hygienically processed to ensure safety of usage. Para Nitro Aniline Ortho Sulphonic Acid comes in different specifications to suit specific requirement.