Ammonium Persulfate, commonly abbreviated as APS, is a powerful inorganic oxidizing agent with the chemical formula (NH₄)₂S₂O₈. It is widely used in industrial applications due to its stability, solubility in water, and ability to generate free radicals. As a white crystalline powder, APS serves as an essential initiator in polymerization processes, a bleaching agent in textiles, and an etchant in electronics manufacturing.
Technical Specifications
| ITEMS | SPECIFICATION |
| Appearance | White Crystalline Powder |
| Assay | ≥98.5% |
| Residue on Ignition (as SO42-) | ≤0.02% |
| Chloride (as Cl) | ≤0.001% |
| Mn | ≤0.00005% |
| Fe | ≤0.0005% |
| Heavy Metal (as Pb) | ≤0.0005% |
| Moisture | ≤0.15% |
| Active Oxygen | ≥6.91% |
Large particle (20-40MESH) Ammonium Persulfate can be customized according to customer requirements,mainly used in the petroleum industry (sustained-release).
Ammonium Persulfate capsule gum breaker
Product Introduction:
This additive is a micro-capsule formed by wrapping a conventional debonding agent, ammonium persulfate, with a layer of water-insoluble polymer chemical material. During fracturing construction, the ammonium persulfate in the micro-capsule does not contact the fracturing fluid, which can maintain a high viscosity and is conducive to crack formation and sand carrying; after construction, the cracks are closed, the capsules are destroyed, and a large amount of ammonium persulfate is released, which can completely debond the fracturing fluid and make it hydrated, which is conducive to flowback.
Product Usage:
This product is mainly used for breaking the gel of guar gum fracturing fluid and polymer fracturing fluid in oil and gas wells.
Instructions for use:
During fracturing construction, it can be directly added to the sand mixing liquid on the sand mixing truck according to the designed concentration.
| ITEMS | SPECIFICATION |
| Appearance | White or Slight Yellow Granular |
| Capsule core form | Granulating |
| Granularity Distribution Range (Pass SSW0.9/0.45 Sieve) | ≥80% |
| Temperature Applied To | 50℃-80℃ |
| Effective Content of Ammonium Persulfate | ≥75% |
Package and Storage
25kgs plastic woven bag lined with PE bag, 22MT/FCL with pallets.
It should be stored separately with organic matter, reducing agents, sulfur, phosphorus combustibles. Keep in original, tightly sealed containers.
Key Features and Benefits
Strong Oxidizing Properties:
APS decomposes to release sulfate radicals, making it ideal for initiating free radical reactions in polymer chemistry.
Versatile Applications:
Suitable for use in emulsion polymerization, water treatment, printed circuit board (PCB) etching, and as a component in hair bleaching formulations.
Eco-Friendly Alternative:
Compared to other persulfates like potassium persulfate, ammonium persulfate produces fewer byproducts in certain reactions, supporting sustainable chemical processes.
Applications of Ammonium Persulfate
Ammonium Persulfate excels in diverse industrial and laboratory settings due to its potent oxidizing capabilities.
Polymerization Initiator:
Triggers free-radical reactions in the production of acrylics, vinyls, and latexes for adhesives, coatings, and textiles.
Printed Circuit Board (PCB) Etching:
Acts as an etchant in microelectronics manufacturing to remove copper layers precisely.
Water and Wastewater Treatment:
Oxidizes organic pollutants and disinfects effluents in environmental remediation processes.
Bleaching and Oxidizing:
Applied in textile dyeing, paper pulp bleaching, and cosmetic formulations like hair colorants.
Electrolyte in Batteries:
Enhances performance in lead-acid and alkaline battery systems.
Safety and Handling Guidelines
Ammonium Persulfate is classified as an oxidizer and irritant, requiring careful handling to prevent hazards. Always consult the Safety Data Sheet (SDS) for detailed protocols.
Use in well-ventilated areas or under fume hoods to avoid dust inhalation.
Wear protective gear: nitrile gloves, safety goggles, lab coat, and respiratory protection if needed.
Store in a cool, dry place away from combustibles, reducing agents, and heat sources (below 30°C).
In case of contact: Rinse skin/eyes with water for 15 minutes; seek medical attention for ingestion or inhalation.
First Aid: Skin: Wash with soap and water. Eyes: Flush immediately. Ingestion: Do not induce vomiting; call poison control.
Frequently Asked Questions (FAQs)
What is Ammonium Persulfate used for?
Ammonium Persulfate (APS) is primarily used as an oxidizing agent and polymerization initiator in industries like plastics manufacturing, electronics, and textiles. It generates free radicals when dissolved in water, facilitating reactions in polymer synthesis and etching processes.
How does Ammonium Persulfate work in PCB etching?
In PCB manufacturing, APS etches copper by oxidizing it to copper sulfate in the presence of sulfuric acid. This process is efficient, cost-effective, and produces regenerable etchants, reducing waste.
How should Ammonium Persulfate be stored?
Store APS in a cool, dry place in tightly sealed containers to prevent moisture absorption, which can cause decomposition. Avoid exposure to sunlight, heat, or incompatible substances like reducing agents.
Is Ammonium Persulfate hazardous?
Yes, as a strong oxidizer, it can cause skin irritation, respiratory issues, and fire if mixed with flammables. Always follow safety protocols, including using PPE, and consult the MSDS for handling guidelines.
Can Ammonium Persulfate be used in food applications?
No, APS is not approved for direct food contact or consumption. It is strictly for industrial, laboratory, and non-food uses.
Where can I buy Ammonium Persulfate?
You can purchase from reputable chemical suppliers like ours. Contact us for samples or quotes.