Potassium Persulfate(CAS 7727-21-1)
UN No.:
UN 1492 5.1 /PG III
| Purity | Grade | Package | Stock | Price | Quantity |
| 99.5% | RG | 25G | In Stock | 3 USD
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| 99.5% | RG | 100G | In Stock | 4 USD
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Applications of 7727-21-1
Potassium persulfate has diverse applications across various industries:
- Polymerization Initiator: It is widely used as an initiator for polymerization reactions in the production of synthetic polymers like styrene-butadiene rubber and polystyrene.
- Oxidizing Agent: In organic chemistry, it serves as an oxidizing agent for synthesizing various organic compounds, including aryl carbonyl compounds under mild conditions without the need for transition metals.
- Bleaching Agent: The compound is utilized in hair bleaching products due to its strong bleaching properties. It acts effectively on hair dyes but requires careful handling to avoid skin irritation.
- Environmental
Physical and chemical properties of 7727-21-1
Boiling Point |
1689 °C |
|---|---|
Decomposition |
Dangerous when heated to decomp, emits highly toxic fumes of /sulfur oxides/. |
Density |
2.5 g/cm³ |
Exact Mass |
269.830872 |
Exposure Limits |
ACGIH: TWA 0.1 mg/m3 |
Flash Point |
NotºCombustible |
Index of Refraction |
INDICES OF REFRACTION: 1.461, 1.467, 1.566 |
LogP |
0.01660 |
Melting Point |
1067 °C |
Merck |
14,7656 |
Molecular Formula |
K2O8S2 |
Molecular Weight |
270.322 |
Odor |
ODORLESS |
pH |
AQUEOUS SOLN IS ACIDIC |
pH Range |
2.5 - 4.5 |
PSA |
149.62000 |
Stability |
Stable. Strong oxidizer. Incompatible with strong reducing agents, organic materials, combustible materials. |
Storage condition |
Store at +5°C to +30°C. |
Vapour density |
2.48 |
Vapour Pressure |
0Pa at 25℃ |
Water Solubility |
5 g/100 mL (20 ºC) |
Q&A for CAS 7727-21-1
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 7727-21-1
Pictograms |
   |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H272 May intensify fire; oxidizer H302 Harmful if swallowed H315 Causes skin irritation H317 May cause an allergic skin reaction H319 Causes serious eye irritation H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 7727-21-1
Operate under the ISO 9001 system
