Ammonium Persulfate White Crystalline Powder (NH4)2S2O8
Ammonium Persulfate is a significant inorganic peroxide and strong oxidizing agent, renowned for its high oxidation potential, good water solubility, and free radical generation characteristics. Its production primarily employs the electrolysis of ammonium sulfate, with the mainstream process being the electrochemical synthesis route of "ammonium sulfate → electrolytic oxidation → ammonium persulfate".
Aliases: Ammonium Peroxydisulfate
English Name: Ammonium Persulfate
Chemical Formula: (NH₄)₂S₂O₈
Molecular Weight: 228.20
CAS Number: 7727-54-0
Key Properties: Strong oxidizing ability, good water solubility, decomposes upon heating to generate free radicals, bleaching capability
Frontier Application Scenarios
"Polymerization Initiation Expert" in Polymer Industry
PCB etching promotion: Serves as oxidative component in micro-etching solutions for electronic circuit boards, enhancing etching precision and rate
"Advanced Oxidation Core" in Environmental Remediation
Groundwater remediation: Generates sulfate radicals after activation to efficiently degrade refractory pollutants like chlorinated organics
Industrial wastewater decolorization: Destroys chromophores in dye wastewater through free radical chain reactions
"Surface Treatment Agent" for New Energy Materials
Battery current collector treatment: Performs micro-etching on aluminum foil to enhance electrode material adhesion
Photovoltaic silicon wafer cleaning: Functions as post-texturing cleaning agent to remove surface metal impurities and organics
"Green Bleaching Agent" in Food and Textile Industries
Flour improvement agent: Used within limits as flour bleaching and maturing agent
Textile low-temperature bleaching: Achieves efficient low-temperature cotton bleaching when compounded with activators
Technological Breakthroughs and Sustainable Development
High-purity electrolysis technology: Adopts pulse electrolysis and ion membrane technology to reduce metal impurity content and enhance product stability
Compound initiation systems: Forms redox systems with reducing agents to achieve efficient room-temperature initiation polymerization
Safe storage and transportation innovation: Develops microencapsulated ammonium persulfate to reduce dust explosion risks and hygroscopicity
Green application expansion: Replaces Fenton's reagent in soil washing remediation to reduce secondary iron sludge pollution