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OPA o-Phthalaldehyde CAS: 643-79-8 Factory Supply

Product name: OPA o-Phthalaldehyde

Other name: 1,2-Benzenedicarboxaldehyde; Phthalic dialdehyde; Phtalaldehydes [French]; Phthalic aldehyde; Phthalyldicarboxaldehyde; Benzene-1,2-dicarboxaldehyde; 2-Phthalaldehyde; o-Phthaladlehyde; Phthalic dicarboxaldehyde;

MF: C8H6O2

MW: 134.13

CAS: 643-79-8

EINECS: 211-402-2

Prompt shipment

FOB Wuhan

Wuhan port sails

Application: Pharmacy


Appearance: Light yellow powder, Boiling Point: 266.1 °C at 760 mmHg, Flash Point: 98.5 °C, Density: 1.189 g/cm3, Soluble in water.


  • Pharmaceutical intermediates
  • Industrial


  • Chemical analysis reagent: as an amine alkaloid reagent, used for fluorescence determination of primary amine and peptide bond decomposition.
  • Organic synthesis: also pharmaceutical intermediates.
  • Fluorescence reagent, used for separation of amino acid derivatives by HPLC before column, and flow cytometry for determination of mercaptan groups in proteins.