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High-Purity Potassium Persulfate K2S2O8 99% Purity for Polymerization Initiator and PCB Etchant Applications
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High-Purity Potassium Persulfate K2S2O8 99% Purity for Polymerization Initiator and PCB Etchant Applications
| MOQ: | 10 Tonnen |
| Preis: | Please contact customer service |
| Standardverpackung: | Sack- und Tonnensäcke |
| Lieferzeit: | Ungefähr sechs Wochen |
| Zahlungsmethode: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Versorgungskapazität: | 100.000 Tonnen pro Jahr |
Detailinformationen
Herkunftsort
China
Markenname
SiChun HongJian
Modellnummer
Kaliumpersulfat
Dokumentieren
Chemische Formel:
K2S2O8
CAS-LOGON-Zahl:
7727-21-1
EINECS-Login-Nummer:
231-781-8
Dichte:
2,47 g/cm³
Aussehen:
Weißes kristallines Pulver
Sicherheitsbeschreibung:
S22；S24；S26；S37
Gefahrenbeschreibung:
R8；R22；R36/37/38；R42/43
Molekulargewicht:
270.322
Hervorheben:
99% Purity Potassium Persulfate
,Polymerization Initiator K2S2O8
,PCB Etchant Potassium Persulfate
Produktbeschreibung
Potassium Persulfate 99% | Polymerization Initiator & PCB Etchant
Potassium persulfate is an inorganic compound with the chemical formula K₂S₂O₈. This white crystalline powder is soluble in water and insoluble in ethanol, featuring strong oxidizing properties that make it ideal as a bleaching agent, oxidant, and polymerization initiator. The product is almost non-hygroscopic, stable at room temperature, and offers convenient, safe storage advantages.
Chemical Specifications
| Alias | Potassium persulfate |
|---|---|
| Chemical Formula | K₂S₂O₈ |
| Molecular Weight | 270.322 |
| CAS Number | 7727-21-1 |
Physical Properties
| Melting Point | 1067 ℃ |
|---|---|
| Boiling Point | 1689 ℃ |
| Density | 2.47 g/cm³ |
| Appearance | White crystalline powder |
| Solubility | Soluble in water (slower dissolution rate than ammonium persulfate), aqueous solution is acidic, insoluble in ethanol |
Chemical Properties
Potassium persulfate releases oxygen during heating and converts to potassium pyrosulfate, completely decomposing at 100℃. It also decomposes in humid air. Decomposition rate is influenced by temperature and pH, with higher temperatures reducing pH effects. Emulsifiers and thiols can accelerate decomposition. In alkaline solutions, metal ions such as Ni²⁺, Co²⁺, Pb²⁺, Mn³⁺ can form black oxide precipitates. The compound exhibits strong oxidizing and coagulation properties. Caution: mixing with organic or reducing substances may cause explosions.
High-Purity Potassium Persulfate for Demanding Industrial Applications
This high-purity Potassium Persulfate (K₂S₂O₈) is meticulously refined to a guaranteed 99% purity level, establishing it as the benchmark for performance-critical industrial and chemical processes. Its exceptional quality makes it indispensable as a reliable, high-yield polymerization initiator and precision PCB etchant in advanced electronics manufacturing.
As a Premier Polymerization Initiator
In polymer science and production, the 99% purity of this Potassium Persulfate is essential, as trace impurities can lead to inconsistent initiation rates and compromised polymer quality. Upon thermal activation (typically above 50-60°C), it decomposes cleanly to generate sulfate radical anions (SO₄*⁻) that efficiently initiate free-radical chain-growth polymerization.
Key Polymer Applications
- Polyacrylamide: Used as flocculant in water treatment, viscosifier in oil recovery, and matrix for gel electrophoresis
- Polyvinyl Acetate: Emulsions for adhesives and paints
- Polystyrene: For insulation and packaging materials
- Acrylate-based Resins: Various industrial and specialty applications
As a Precision PCB Etchant
In electronics manufacturing, Potassium Persulfate serves as a superior etchant for multi-layer and high-density interconnect boards. It provides exceptional etching uniformity and controlled etch rates for micro-etching and surface preparation of copper-clad laminates.
Etching Advantages
- More stable solutions with longer bath life compared to alternatives
- Minimal undercutting for preserving fine circuit trace integrity
- Reduced metallic impurities that could cause uneven etching
- Environmentally manageable decomposition byproducts
- Higher yields and improved PCB reliability
Quality Assurance and Supply Commitment
Every batch undergoes rigorous quality control to verify purity, active oxygen content, solubility, and impurity profiles. We provide comprehensive technical data sheets and certificates of analysis. Available in industry-standard 25 kg packaging with moisture protection, supported by reliable logistics for just-in-time delivery to manufacturing plants.
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