Potassium persulphate, 98%
Order Potassium persulphate, 98% (CAS 7727-21-1) online at Zemixal: K2O8S2, COA and SDS with every lot, worldwide shipping.
About Potassium persulphate, 98%
Zemixal supplies Potassium persulphate, 98% within its laboratory Chemicals & Reagents portfolio. Identity at a glance (Extra Pure): CAS 7727-21-1, formula K2O8S2 and molar mass 270.33 g/mol. It is described as powder.
Use cases we see most often
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Polymer & resin production
Handling and storage
Physical constants on file: melting point 100 °C (dec.) and density 2.48 g/cm3 at 20 °C. Hazard communication follows GHS (Danger: H272, H302, H315 and H317). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 1492.
Available as 500 g, 5 kg, 25 kg and 4 x 25 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Polymer & resin production
Applications
Grade guides
Specifications and identifiers
| Product name | Potassium persulphate, 98% |
|---|---|
| Catalogue number | ZX-000943 |
| CAS number | 7727-21-1 |
| IUPAC name | dipotassium;sulfonatooxy sulfate |
| Molecular formula | K2O8S2 |
| Molar mass | 270.33 g/mol |
| Exact mass | 269.8309 |
| Grade | Extra Pure |
| Purity / assay | 98% |
| Physical form | Powder |
| Appearance | Powder |
| Melting point | 100 °C (dec.) |
| Density | 2.48 g/cm3 at 20 °C |
| H-bond donors / acceptors | 0 / 8 |
| Topological polar surface area | 150 Ų |
| HS code | 28334000 |
| UN number | UN 1492 |
| InChIKey | USHAGKDGDHPEEY-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+] |
| PubChem CID | 24412 |
| Synonyms | Potassium peroxodisulfate, Anthion, Dipotassium persulfate, Potassium Persulphate, Potassium peroxydisulfate, Potassium peroxydisulphate, Dipotassium persulfate, Dipotassium peroxydisulfate, Peroxydisulfuric acid, dipotassium salt, Potassium peroxydisulfate (K2(S2O8)), Peroxydisulfuric acid (((HO)S(O)2)2O2), dipotassium salt, K2S2O8, Dipotassium peroxodisulphate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H272May intensify fire, oxidizer
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335May cause respiratory irritation
Precautionary statements P210, P220, P233, P260, P261, P264, P264 + P265, P270, P271, P272, P280, P284, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P342 + P316, P362 + P364
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Potassium persulphate, 98%
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Other grades with CAS 7727-21-1
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