Direct Red 28

Synonyms: 3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[4-amino-1-naphthalenesulfonic Acid Disodium Salt, C.I. Direct Red 28 Disodium Salt, Atlantic Congo Red, Atul Congo Red, Azocard Red Congo, Benzo Congo Red, Brasilamina Congo 4B, C.I. 22120, C.I. Direct Red 28, Congo Red 4B, Congo Red 4BS, Congo Red 4BX, Congo Red CR, Congo Red H, Congo Red K, Congo Red L, Congo Red M, Congo Red N, Congo Red R, Congo Red RS, Congo Red TS, Congo Red W, Congo Red WS, Congo Red Sodium Salt, Congo Red Disodium Salt, Cotton Red 4BC, Cotton Red 5B, Cotton Red L, Diacotton Congo Red, Direct Congo Red, Direct Red 28, Direct Red C, Direct Red DC-CF, Direct Red K, Direct Red R, Direct Scarlet 4B, Erie Congo 4B, Haemomedical, Haemonorm, Hemorrhagyl, Hispamin Congo 4B, Kayaku Congo Red, Mitsui Congo Red, Peeramine Congo Red;