About o-Phenylenediamine

o-Phenylenediamine is a peroxidase substrate suitable for use in ELISA procedures. The substrate produces a soluble end product that is orange-brown in color and can be read spectrophotometrically at 450 nm. The OPD reaction may be stopped with 3 N HCl or 3 M H2SO4 and read at 492 nm.
CAS:615-28-1
Molecular formula:C6H8N2·2HCl
Molecular weight:181.06
Description:
Appearance:Light pink to purple crystalline powder.
Purity:≥99.0%
Properties:Soluble in water
Storage:Dark dark storage, -20 ° C.
Uses:O-phenylenediamine dihydrochloride peroxidase substrate is used for ELISA.
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