Congo Red;Congo Red (CI x 22120);CONGO REDRESEARCH GRADE;Congo Red,Congo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y;CONGO RED (C.I. 22120) INDICATOR PH 3.0-;LITHIUM HYDROXIDE 1H2O;Congo Red Stain Solution;Congo red (C.I. 22120) indicator Reag. Ph Eur;Congo Red, indicator;CONGO RED,Ind. Grade;CongoRed,Indicatorgrade500GR;Direct Red 28;disodium,4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate;benzidinediazo-bis-1-naphtylamine-4 sulfonic acid;Benzo Congo Red;C.I.22120;Congazone sodium;Congo Red, indicator grade;Direct red C.R.Y.;disodium 4-amino-3-[4-[4-(1-amino-4-sulfonato-naphthalen-2-yl)diazenylphenyl]phenyl]diazenyl-naphthalene-1-sulfonate;Haemomedical;Haemonorm;SodiuM diphenyl-bis-(azo-naphthionate);sodium salt of benzidinediazobis-1-naphthylamine-4-sulfonic acid;Solucongo;Disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate);C.I. 22120;C.I. Direct Red 28;Hemorrhagyl;Congo Red 4B;Sugai Congo Red;Atul Congo Red;Vondacel Red CL;Mitsui Congo Red;Kayaku Congo Red;Direct Red K;Cotton Red L;Direct Red C;Congo Red W;Congo Red N;Azocard Red Congo;Congo Red R;Congo Red H;Congo Red M;Congo Red L;Congo Red WS;Congo Red CR;Erie Congo 4B;Cotton Red 5B;Cotton Red 4BC;Tertrodirect Red C;Atlantic Congo Red;Hispamin Congo 4B;Red K;Congo Red 4BX;Pe