K-Blue® Aqueous TMB Substrate

Item No.  331175

  • 100% solvent-free
  • Ideal when working under strict regulatory requirements
  • Compliant with Annex XVII for REACH
  • Low background
  • Minimum shelf life of 36 months at 2–8°C
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$82.90 each
$138.30 each
$253.00 each
$3,288.40 each
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Minimum quantity required: 1
This item must be ordered in multiples of one case. Quantity per case: 1

K-Blue® Aqueous is a revolutionary 100% solvent-free, non-volatile TMB substrate. It contains 3,3’,5,5’ tetramethylbenzidine (TMB) and hydrogen peroxide (H2O2) in a one-bottle format with long-term stability and high activity. K-Blue Aqueous develops a deep blue color in the presence of peroxidase labelled conjugate and is ideal for end users working under strict regulatory requirements. The formula is compliant with Annex XVII for REACH and contains no hazardous substances at or above published reporting levels. K-Blue Aqueous has been optimized for use with microwell applications, especially ELISA. This substrate is not applicable for use with assays requiring a precipitating substrate.

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Brand K-Blue®
Application Microwell
Intended Use Research and manufacturing use only
Result Type Colorimetric
Enzyme HRP
Sensitivity Mid-level activity
Storage Conditions Stable for a minimum of 36-months when stored at 2-8°C.
Wavelength 650 nm or 450 nm with acid stop
Package Weight 0.50


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