Complete item name is 8-hydroxy-7 (4-sulfo-1-naphthylazo) -5-quinolinesulfonic acid, disodium salt; comes in purple powder form
NSN 6620-01-017-8765
NSN 5895-01-526-5454
NSN 4140-01-349-1016
NSN 6135-01-508-6083
NSN 6320-01-616-0843
NSN 6620-00-233-6839
NSN 5905-01-439-2090
NSN 6320-00-823-2015
NSN 6240-00-244-0483
NSN 5935-00-137-2752
NSN 5990-01-485-0260
NSN 2925-01-465-3437