ITEM#: 4836-149750250
MFR#: 149750250
Chromotrope 2B, C16H9N3Na2O10S2, CAS Number-548-80-1, C.I. 16575, 4, 5-Dihydroxy-3-(p-nitrophenylazo)-2, 7-naphthalenedisulfonic acid, 4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic acid, disodium salt, 25g, Green to Purple, 5