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CAS Number :
10114-58-6
Molecular Formula :
C₁₈H₁₈N₈.2HCl
Bismark brown Y is a hydrochloride that is the dihydrochloride of 4,4'-[1,3-phenylenebis(diazene-2,1-diyl)]di(benzene-1,3-diamine). Bismarck brown Y is a metachromatic dye which stains acid mucins yellow.