1,3-Benzenediamine, 4,4'-((4-methyl-1,3-phenylene)bis(azo))bis(6-methyl-, dihydrochloride 2,4-Bis(2,4-diamino-5-methyl-1-benzenazo)toluene 5421-66-9 AI3-52759 Astra Vesuvine B Basic Brown 2K Bismarck Brown Bismarck Brown R Bismark Brown R C.I. 21010 C.I. Basic Brown 4 C.I. Basic Brown 4, dihydrochloride (8CI) EINECS 226-541-4 NSC 7812