Potassium Persulphate
White crystalline powder · CAS 7727-21-1
Overview
Potassium Persulphate (CAS 7727-21-1) is one of the salts & minerals products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for initiator for emulsion/suspension polymerisation of acrylics and vinyl polymers; booster for hair-bleaching/lightening powders; teeth-whitening and dental-bleaching formulations, among other applications in the salts & minerals category. We pack Potassium Persulphate in 25 kg bags/drums, and can arrange bulk, drum or tanker quantities for larger requirements — full characteristics, applications and downloadable documentation are below, or you can request a quote directly.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Assay (K2S2O8) | 99% Min |
| Moisture | 0.2% Max |
| Chloride (as Cl) | 0.005% Max |
| Iron (as Fe) | 0.002% Max |
| Active Oxygen | 5.9% Min |
Values above are well-established typical/standard specification properties for this product, compiled from published technical references — not a batch-specific lab report. Figures can vary batch to batch — request a current certificate of analysis with your order.
Applications
- Initiator for emulsion/suspension polymerisation of acrylics and vinyl polymers
- Booster for hair-bleaching/lightening powders
- Teeth-whitening and dental-bleaching formulations
- PCB and metal-surface etching/cleaning
Frequently Asked Questions
What is Potassium Persulphate?
Potassium Persulphate is supplied by Suraj Chemicals as white crystalline powder, identified by CAS number 7727-21-1. It falls under our Salts & Minerals range — see the Specification Sheet table above for its full characteristics.
What is Potassium Persulphate used for?
Typical applications include: Initiator for emulsion/suspension polymerisation of acrylics and vinyl polymers; Booster for hair-bleaching/lightening powders; Teeth-whitening and dental-bleaching formulations; PCB and metal-surface etching/cleaning.
How should Potassium Persulphate be stored and handled?
Store in a cool, dry place away from combustible/organic materials and reducing agents — strong oxidiser.
What packaging and pack sizes does Suraj Chemicals supply Potassium Persulphate in?
25 kg bags/drums. Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Potassium Persulphate?
Typically 3–6 months from date of manufacture when stored sealed, in a cool place away from direct sunlight and heat. Active content in hypochlorite / oxidising products declines gradually over time, so this is one to watch closely. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.
Is Potassium Persulphate hazardous to handle?
Yes — Potassium Persulphate is an oxidizing agent and should be kept away from combustible or organic material; combustible and should be kept away from heat and ignition sources. Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Specification Sheet, TDS or MSDS available for Potassium Persulphate?
Yes — a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Potassium Persulphate is also available above.
Can I get a sample or discuss order quantity for Potassium Persulphate?
Yes — use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Potassium Persulphate.