Product introduction
o-Phenylenediamine (orthophenylenediamine; CAS 95-54-5) is an aromatic diamine supplied commercially as crystalline flakes or powder that range from pale yellow to orange-brown and may darken on air exposure. It is used primarily as an intermediate in dye and pigment manufacture, as a monomeric building block for specialty polymers and heterocycles, and as a reagent in analytical and developer chemistries. Commercial grades are provided as technical and reagent qualities with lot-specific Certificates of Analysis (CoA) describing assay, impurity profile and recommended handling.
Uses
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Dye And Pigment Intermediate — Used as a primary building block and coupling component in the manufacture of direct, azo and disperse dyes and for pigment precursor syntheses.
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Polymer And Heterocycle Synthesis — Monomer or intermediate for specialty polyamides, heterocyclic compounds and cured resin chemistries.
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Developer And Analytical Reagent — Employed in photographic/developer formulations and as a reagent in analytic assays and method development.
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Rubber And Additive Chemistry — Intermediate for rubber accelerators, antiozonants and related additives.
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Laboratory Reagent / Research — Used in R&D for small-molecule synthesis, catalyst studies and method validation.
