QuickView for congo red (compound)

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PubChem

PubChem Compound 11313

Name:	Congo Red
PubChem Compound ID:	11313
Description:	An acid dye used in testing for hydrochloric acid in gastric contents. It is also used histologically to test for AMYLOIDOSIS.
Molecular formula:	C₃₂H₂₂N₆Na₂O₆S₂
Molecular weight:	696.665 g/mol
Synonyms:	CI Direct Red 28 Congo red; 87440-95-7; Trisulfon Congo Red; 3,3'-[[1,1'Biphenyl]-4,4'-diylbis(azo)-]bis[4-amino-1-naphthalenesulfonic acid] disodium salt; DIRECT RED 28; Azocard Red Congo; C.I. Direct Red 28, disodium salt (8CI); Hemorrhagyl; Mitsui Congo Red; 1-Naphthalenesulfonic acid, 3,3'-(4,4'-biphenylenebis(azo))bis(4-amino-, disodium salt. show more » CI Direct Red 28 Congo red; 87440-95-7; Trisulfon Congo Red; 3,3'-[[1,1'Biphenyl]-4,4'-diylbis(azo)-]bis[4-amino-1-naphthalenesulfonic acid] disodium salt; DIRECT RED 28; Azocard Red Congo; C.I. Direct Red 28, disodium salt (8CI); Hemorrhagyl; Mitsui Congo Red; 1-Naphthalenesulfonic acid, 3,3'-(4,4'-biphenylenebis(azo))bis(4-amino-, disodium salt; Cotton Red 5B; 550-08-3; Cerven prima 28 [Czech]; Sodium diphenyldiazo-bis-alpha-naphthylaminesulfonate; Vondacel Red CL; Hispamin congo 4B; Congo Red 4BX; Cotton Red 4BC; Direct Red C; 1-Naphthalenesulfonic acid, 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[4-amino-, disodium salt (9CI); Benzo Congo Red; Brasilamina congo 4B; Kongorot [German]; Tertrodirect Red C; Diacotton Congo Red; Sugai Congo Red; Cotton Red L; Erie Congo 4B; 573-58-0; 70248-72-5; Haemomedical; NSC 56651; C14078; Congo Red RS; AI3-63036; Sodium diphenyldiazo-bis(alpha-naphthylaminesulfonate); 1-Naphthalenesulfonic acid, 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-amino-, disodium salt; CCRIS 2277; Solucongo; Cerven kongo [Czech]; Congo Red CR; Congo Red W; NSC 7232; Congo Red sodium salt; Disodium 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-aminonaphthalene-1-sulphonate); Congo Red L; Congo Red WS; C.I. 22120; Congo red; Congo Red K; Atul Congo Red; Congo Red H; Kayaku Congo Red; Peeramine Congo Red; Congo Red R; Direct Congo Red; HSDB 4225; Atlantic Congo Red; Congo Red N; Congo Red M; Congo Red 4B; 1-naphthalenesulfonic acid, 3,3'-([1,1'-biphenyl]-4,4'-diyldiazo)bis[4-amino-, disodium salt; C.I. Direct Red 28; Direct Red K; Natrium-salz der diphenyl-bis-azo-bis-naphthylamin-4-sulfonsaeure [German]; Red K; C.I. Direct Red 28, disodium salt; Direct Red DC-CF; EINECS 209-358-4; Congazone sodium; Congo Red ICI; Haemonorm show less «