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3,3',5,5'-Tetramethylbenzidine (TMB) ≥98%

3,3',5,5'-Tetramethylbenzidine (TMB) ≥98%

3,3',5,5'-Tetramethylbenzidine (TMB) ≥98%
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3,3',5,5'-Tetramethylbenzidine (TMB) ≥98%
3,3',5,5'-Tetramethylbenzidine (TMB) ≥98%

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Excellent colorimetric substrate for detection of horseradish peroxidase labelled probes; particularly useful in ELISA techniques, blue result can be read spectrophotometrically at 370 or 650 nm3,3',5,5'-Tetramethylbenzidine is used as a clinical reagent for testing blood.

It is also a chromogenic substrate which is used in staining procedures in immunohistochemistry. Further, it is used as a visualizing reagent in enzyme-linked immunosorbent assays. In addition to this, it is used as a replacement for carcinogenic compounds such as benzidine and o-phenylenediamine.

Synonyms:  TMB, 3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diamine
  • CAS Number:54827-17-7
  • Formula:C₁₆H₂₀N₂
  • MDL Number:MFCD00007748
  • Molecular Weight:240.35 g/mol
  • Boiling Pt:402 °C (1013 hPa)
  • Melting Pt:168…171 °C
  • Storage Temperature:Ambient
  • EINECS:259-364-6
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