Potassium Persulfate (CAS 7727-21-1): Comprehensive User Guide
Table of Contents
1. Product Specifications & Comparative Analysis
Potassium Persulfate (CAS 7727-21-1) is a high-purity oxidizing agent with the chemical formula K2S2O8. Key parameters include:
| Parameter | Value |
|---|---|
| CAS Number | 7727-21-1 |
| Molecular Weight | 270.32 g/mol |
| Purity | ≥99% |
| Appearance | White crystalline powder |
Competitive Comparison
| Feature | Potassium Persulfate | Ammonium Persulfate | Sodium Persulfate |
|---|---|---|---|
| Solubility in Water | 4.7 g/100ml (20°C) | 58 g/100ml | 54 g/100ml |
| pH Stability | 3.0-4.5 | 2.5-3.5 | 2.0-3.0 |
2. Key Applications & Industrial Uses
Primary Applications:
- Polymerization Initiator: Used in acrylic, vinyl acetate, and styrene-butadiene rubber production.
- PCB Manufacturing: Micro-etching of copper layers in electronics.
- Textile Bleaching: Oxidative treatment for natural fibers.
- Wastewater Remediation: Degrades organic pollutants via advanced oxidation processes.
3. Practical Usage Scenarios
Scenario 1: Polymer Production Optimization
Typical dosage: 0.1-0.5% of monomer weight. Achieves 98% conversion efficiency at 70°C.
Scenario 2: Circuit Board Etching
Recommended concentration: 10-15% solution at 30°C with 2-5 minute immersion.
4. Client Success Stories
Case Study 1: ABC Polymers Inc.
Challenge: Inconsistent initiation in ABS production
Solution: Potassium Persulfate batch standardization
Result: 22% yield improvement, 15% energy reduction
Case Study 2: EcoTextile Group
Challenge: Residual chlorines in bleached cotton
Solution: 8% KPS substitution in bleaching sequence
Result: 40% lower AOX levels, Oeko-Tex® certification achieved
5. Request a Custom Quote
Optimize your processes with technical-grade Potassium Persulfate:
info@vivalr.com
(86) 15866781826
Available in 25kg bags or bulk containers. MOQ: 500kg. Lead time: 2-3 weeks.
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