Sodium Persulfate (SPS), with the chemical formula Na₂S₂O₈, is a powerful, water-soluble oxidizing agent widely used in various industrial processes. As a white crystalline powder, it serves as an effective initiator for polymerization reactions, a bleaching agent in detergents, and a key component in water treatment and electronics manufacturing.

Technical Specifications

ITEMS SPECIFICATION
Appearance White Crystalline Powder
Assay ≥99.0%
Chloride (as Cl) ≤0.005%
Mn ≤0.0001%
Fe ≤0.001%
Heavy Metal (as Pb) ≤0.001%
Ammonia (as NH4) ≤0.05%
Moisture ≤0.05%
Active Oxygen ≥6.65%

 

Package and Storage

25kgs, plastic woven bag lined with PE bag, 24MT/FCL with pallets.
Keep in a cool, dry place away from heat sources and reducing agents.

 

Applications of Sodium Persulfate

Sodium Persulfate finds extensive use across multiple industries due to its versatility as an oxidant and radical initiator.

Polymerization Initiator:
Used in the production of acrylic polymers, polyvinyl chloride (PVC), and other synthetic resins. It initiates free radical polymerization at lower temperatures compared to other persulfates.

Water Treatment:
Acts as an advanced oxidation process (AOP) agent for removing organic contaminants, such as in wastewater from textile and pharmaceutical industries.

Electronics and PCB Manufacturing:
Employed in etching solutions for printed circuit boards (PCBs), providing clean and precise copper removal.

Cosmetics and Detergents:
Serves as a bleaching and disinfecting agent in hair dyes, laundry detergents, and cleaning products.

Soil Remediation:
Utilized in environmental cleanup to oxidize pollutants like hydrocarbons and chlorinated solvents in contaminated soil and groundwater.

 

Benefits and Advantages of Sodium Persulfate

High Efficiency:
Generates sulfate radicals that are more persistent and effective than hydroxyl radicals in some oxidation processes.

Eco-Friendly Alternative:
Breaks down into non-toxic sulfate ions, reducing environmental impact compared to chlorine-based oxidants.

Cost-Effective:
Longer shelf life (up to 24 months when stored properly) and versatile use reduce overall operational costs.

Custom Formulations:
We offer tailored grades for specific industries, including low-moisture variants for enhanced stability.

Studies from the American Chemical Society highlight SPS’s role in sustainable chemistry, noting its application in green oxidation processes that minimize hazardous byproducts.

 

Safety and Handling Information

Sodium Persulfate is a strong oxidizer and should be handled with care to avoid contact with combustible materials.

Personal Protective Equipment (PPE): Use gloves, goggles, and protective clothing during handling.
First Aid: In case of skin contact, rinse with water; seek medical attention if irritation persists.
Regulatory Compliance: Classified under UN 1505 (Oxidizing Solid, N.O.S.); complies with OSHA and EPA standards.

 

Frequently Asked Questions (FAQs)

What is SPS used for?
Sodium Persulfate is primarily used as an oxidizing agent and polymerization initiator in industries like plastics manufacturing, water treatment, and electronics. It helps in breaking down organic compounds and initiating chemical reactions efficiently.

How does Sodium Persulfate compare to other persulfates?
Compared to Ammonium Persulfate, Sodium Persulfate has higher thermal stability and produces fewer ammonia byproducts. Versus Potassium Persulfate, it offers better water solubility, making it suitable for aqueous applications.

Is SPS safe for the environment?
Yes, when used properly, it decomposes into sulfate ions, which are naturally occurring and non-toxic. It’s often preferred in environmental remediation for its low persistence in soil and water.

Can Sodium Persulfate be used in food applications?
No, our Sodium Persulfate is industrial-grade and not approved for food contact.

 

Where can I buy high-quality Sodium Persulfate?

Contact us for premium Sodium Persulfate (SPS) sourced from trusted suppliers. Bulk and sample orders available worldwide.