Tags: Chemical Compound, Chemical Substance.

33’55’-Tetramethylbenzidine or TMB is a chromogenic substrate used in staining procedures in immunohistochemistry as well as being a visualising reagent used in enzyme-linked immunosorbent assays (ELISA). TMB is a white crystal powder that forms a pale blue-green liquid in solution with ethyl acetate. TMB is degraded by sunlight and by fluorescent lights.

33’55’-Tetramethylbenzidine.png
IUPAC name
33'55'-tetramethylbiphenyl-44'-diamine

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