Potassium Persulfate K2S2O8 White Crystal with 99% Purity for Strong Oxidizing

Product Specification

Product Overview

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.

Technical Specifications

✅ 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

Key Features & Benefits

✔ 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 Applications

1. Polymer Industry

• Primary initiator for acrylic, PVC, and styrene polymerization

• Essential for emulsion polymerization processes

2. Electronics Manufacturing

• PCB etchant and microelectronics cleaner

• Silicon wafer surface treatment

3. Water Treatment

• Advanced oxidation process (AOP) reagent

• Degrades organic pollutants in wastewater

4. Textile & Cosmetics

• Hair bleach activator

• Textile desizing and bleaching agent

❋ Aliases: Potassium Peroxydisulfate
❋ English Name: Potassium Persulfate
❋ Chemical Formula: K₂S₂O₈
❋ Molecular Weight: 270.32
❋ CAS Number: 7727-21-1

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

Frontier Application Scenarios

1. "Micro-etching Specialist" in Electronic Fine Processing

   • 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.

2. "Deep Oxidation Core" in Environmental Remediation

   • 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.

3. "Low-temperature Initiation Engine" for Polymer Materials

   • 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.

4. "Interface Modifier" for New Energy Materials

   • 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.

Technological Breakthroughs and Sustainable Development

• 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.