"A trustworthy partner for the IVD industry and R&D labs seeking premium immunoassay components."Henrik Christensen, CEO and owner of Kem-En-Tec Diagnostics

TMB-D Blotting

TMB-D Blotting for colorimetric detection in membrane assays based on Horseradish Peroxidase conjugates. Positive reactions develop a stable, dark blue color at the site of the reaction.

  • Ready-to-use, Mono-component, one-step chromogenic substrate containing 3,3′,5,5′-tetramethylbenzidine, substrate buffer and hydrogen peroxide
  • Superior background characteristics on different types of membranes
  • Gives lower background in membrane assays than TMB Blotting and TMB Blotting PLUS™
  • Negligible batch-to-batch variations


  • Free of harmful organic solvents
  • Development time: 5-30 minutes


  • 4 years at 2-8° C

All products are available as OEM components or under our own Kem-En-Tec Diagnostics A/S label.

Cat # Unit
4600H 100 ml
4600L 500 ml
4600A 1000 ml
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