Sodium Peroxodisulfate
Industrial Application
Sodium Peroxodisulfate is a strong inorganic oxidizing agent widely used in industrial and chemical processes. It acts as a polymerization initiator for acrylates, styrene, and other vinyl monomers, generating radicals in aqueous systems to produce uniform polymer chains with controlled molecular weight. Sodium Peroxodisulfate is also used as a bleaching agent in hair lighteners and certain textile applications due to its oxidative strength. In organic synthesis, it serves as a reagent in oxidations, such as the Elbs persulfate oxidation of phenols and the Boyland-Sims oxidation of anilines. Additional applications include its use as a plating agent for copper and aluminum, a surface treatment agent to activate carbon and charcoal prior to plating or adhesive bonding, and as an oxidizing agent in environmental applications, including soil and water treatment.
Physical Properties
Sodium Peroxodisulfate is a white crystalline solid that is highly soluble in water but insoluble in most organic solvents. It is stable under dry conditions but decomposes exothermically when heated or contaminated. SPS is non-flammable but is a strong oxidizer and can support combustion. It should be stored in a cool, dry, well-ventilated area, away from moisture, heat, and incompatible materials. Handling is typically done with stabilized formulations to ensure safety and chemical stability.
Grade
- Industrial
Other Names
- Sodium Persulfate
- Disodium Peroxodisulfate
Form
- Solid
Supply Form
- Powder, Technically pure
Peroxide Content
- >99
Abbreviations
- SPS
Packaging
- 25 kg bags
- 1,000 kg super sacs
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