Buy 4-Phenylazophenol (1689-82-3) MF: C12H10N2O | MW: 198.22. Get High Quality 4-Phenylazophenol (1689-82-3) from TriStains.
4-Phenylazophenol, also known as PAP, is a synthetic compound belonging to the class of azo dyes. It is characterized by a phenyl group (-C6H5) and an azo group (-N=N-) attached to a phenol ring.
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Applications: Biological Staining: 4-Phenylazophenol is utilized as a biological stain in certain laboratory applications. It can be employed to stain specific cellular components, such as lipids and proteins, for microscopic observation and analysis.Dye and Pigment: 4-Phenylazophenol is commonly used as a dye and pigment in various industries. It imparts shades of orange or red when incorporated into products such as textiles, plastics, paints, and printing inks. Its azo structure provides good color intensity and lightfastness.Photoinitiator: PAP has photoinitiating properties, meaning it can initiate or catalyze photochemical reactions. It can be used as a photoinitiator in photopolymerization processes, where exposure to light triggers the crosslinking or curing of certain materials, such as adhesives, coatings, and dental composites.pH Indicator: PAP can act as a pH indicator due to its pH-sensitive color change properties. It typically exhibits a yellow color in acidic solutions and a red color in alkaline solutions. This characteristic makes it useful for monitoring and determining the pH levels in chemical reactions or solutions.Chemical Reactions: 4-Phenylazophenol is often employed as a reagent or precursor in organic synthesis. Its azo group can undergo various chemical transformations, such as reduction, diazotization, and coupling reactions, allowing for the introduction of functional groups or modification of molecular structures.
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