NEW COALTAR CHEMICAL MFG. CO. Address: Plot No. 438, GIDC Estate, Odhav, Ahmedabad-382 415, Gujarat, India Contact Person: Mr. Gaurang N. Shah, Mr. Samir S. Shah Manufacturer of Metaphenylenediamine-4-Sulphonic Acid, Free Acid (MPDSA, FA), Metaphenylenediamine-4-Sulphonic Acid, Sodium Salt(MPDSA,SS), 3-Aminoacetanilide-4-Sulphonic Acid (3AA4SA), 2-Aminophenol-4-Sulphonic Acid (OAPSA), 6-Nitro-2-Aminophenol-4-Sulphonic Acid (6NAPSA), 2-Acetamido-6-Aminophenol-4-Sulphonic Acid (ACLAP), 2-Chloroaniline-5-Sulphonic Acid (AMCO), 4,4'-Dinitrostilbene-2,2'-Disulphonic Acid, Disodium Salt, 4-Nitro-4'-Aminostilbene-2,2'-Disulphonic Acid (NASDA), 4,4'-Diaminostilbene-2,2'-Disulphonic Acid (DASDA), Direct Yellow - 11, Acid Orange - 156