1,4-Benzenediamine, 2-nitro-, dihydrochloride 18266-52-9 2-NITRO-1,4-BENZENEDIAMINE DIHYDROCHLORIDE 2-Nitrobenzene-1,4-diamine dihydrochloride 5307-14-2 EINECS 242-144-9 HSDB 6254 p-Phenylenediamine, 2-nitro-, dihydrochloride