Thermo Scientific™ Pierce™ OPD Substrates

Water-soluble horseradish peroxidase (HRP) substrate that produces a yellow-orange product detectable at 492nm by ELISA plate readers.

Brand: Thermo Scientific™

Manufacturer Part Number: 34006

UNSPSC: 41105300

Code: PN

Additional Details:
Additional Details: CAS Number: 50654-94-9 Weight: 1.81440kg Transport: UN number : 1673 Chem class : 1b Pack group : III

Product Code. 11879250

Quantity Price
1 £ 127.0 / 50 tablets
EU Stock 4
Add to basket

Description and Specification


Formulation Tablets containing 5mg of o-phenylenediamine dihydrochloride with inert filler as the balance
Sufficient For Preparing 10mL of 1X substrate buffer with each tablet
Description Pierce OPD Tablets
Quantity 50 tablets

OPD (o-phenylenediamine dihydrochloride) yields a water-soluble yellow-orange product when reacted with peroxidase with an absorbance maximum of 492nm. OPD can easily be dissolved in a substrate buffer such as Thermo Scientific Stable Peroxide Substrate Buffer (Part No. 34062).


  • Water soluble product when reacted with peroxidase
  • Absorbance maximum of 492nm