Potassium Persulfate K2S2O8 White Crystal with 99% Purity for Strong Oxidizing Power and Excellent Thermal Stability

Our Potassium Persulfate (K₂S₂O₈) is a premium-grade oxidizing agent widely used as a polymerization initiator, etching agent, and disinfectant. With exceptional purity and stability, it serves critical functions in chemical synthesis, electronics, and water treatment industries.

• Chemical Formula: K₂S₂O₈
• Purity: ≥99% (ACS Reagent Grade)
• Appearance: White crystalline powder
• Active Oxygen: ≥5.6%
• Solubility: 50g/L (20°C in water)
• Decomposition Temp.: ≥100°C
• Packaging: 25kg/drum or customized

• Strong Oxidizing Power - Standard redox potential of 2.01V
• Excellent Thermal Stability - Safe handling at room temperature
• High Purity - Low heavy metal content (<5ppm)
• Water-Soluble - Easy to prepare working solutions
• Multi-Industry Applications - Versatile performance

• Primary initiator for acrylic, PVC, and styrene polymerization
• Essential for emulsion polymerization processes

• PCB etchant and microelectronics cleaner
• Silicon wafer surface treatment

• Advanced oxidation process (AOP) reagent
• Degrades organic pollutants in wastewater

• Hair bleach activator
• Textile desizing and bleaching agent

Key Properties: Strong oxidizing capacity, high thermal stability, moderate water solubility, high free radical yield

• High-frequency circuit board manufacturing: Achieves precise copper foil micro-etching in 5G communication substrate processing with line width accuracy of ±1.5μm
• Semiconductor packaging: Used for chip carrier surface roughening to enhance adhesion between molding compound and substrate

• Soil in-situ remediation: Generates sulfate radicals through activation to efficiently degrade stubborn pollutants like petroleum hydrocarbons and chlorinated organics
• Industrial wastewater advanced treatment: Achieves over 95% removal rate for refractory organic compounds in pharmaceutical and pesticide wastewater

• Specialty emulsion polymerization: Serves as low-temperature initiator for high-end polymer synthesis including fluorocarbon resins and silicone-acrylic emulsions
• Hydrogel synthesis: Provides mild and efficient cross-linking initiation in medical dressing hydrogel preparation

• Lithium battery current collector treatment: Performs surface activation on aluminum foil to enhance cathode material adhesion
• Fuel cell catalytic layer optimization: Used for catalyst support surface modification to improve noble metal dispersion

• Crystal engineering innovation: Prepares specific crystal form products through solvent-antisolvent crystallization technology, significantly improving solubility and reaction activity
• Composite activation technology: Develops UV-ultrasound synergistic activation systems, increasing free radical yield by over 40%
• Green process upgrade: Adopts ion membrane electrolysis technology, reducing energy consumption by 25% while increasing product purity to 99.9%
• Safe formulation development: Researches microencapsulated potassium persulfate to effectively control reaction rate and enhance usage safety