(3,3',4,4'-Biphenyltetramin) Formula: C₁₂H₁₄N₄   Formula Weight: 214.27   CAS #: 91-95-2 Melting Point: 173°C Used as an ultrastructural protein tracer for immuno-cytochemistry. A possible carcinogen.

Formula: C₁₂H₁₄N₄·4HCl   Formula Weight: 360.12   CAS #: 7411-49-6 Melting Point: 300°C Used for histochemical localization of peroxidase with DAB and in immunocytochemistry. Sternberger, et.al., J. Histochem,…