Potassium pyrosulphate, GR 99%+
Order Potassium pyrosulphate, GR 99%+ (CAS 7790-62-7) online at Zemixal. Request a quote with price, lead time and documents.
About Potassium pyrosulphate, GR 99%+
Potassium pyrosulphate, GR 99%+ is part of the Zemixal synthetic, Protecting & Derivatization Reagents range. Identity at a glance (AR): CAS 7790-62-7, formula K2O7S2 and molar mass 254.33 g/mol. It is described as powder to crystals.
Use cases we see most often
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Analytical determinations
Handling and storage
Physical constants on file: melting point 325 °C and density 2.28 g/cm3 at 25 °C. Hazard communication follows GHS (Danger: H314, H318 and H331). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 3260.
Available as 100 g, 500 g, 5 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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Analytical determinations
Applications
Grade guides
Specifications and identifiers
| Product name | Potassium pyrosulphate, GR 99%+ |
|---|---|
| Catalogue number | ZX-000948 |
| CAS number | 7790-62-7 |
| IUPAC name | dipotassium;sulfonato sulfate |
| Molecular formula | K2O7S2 |
| Molar mass | 254.33 g/mol |
| Exact mass | 253.836 |
| Grade | AR |
| Purity / assay | ≥99% |
| Physical form | Crystalline |
| Appearance | Powder to crystals |
| Melting point | 325 °C |
| Density | 2.28 g/cm3 at 25 °C |
| H-bond donors / acceptors | 0 / 7 |
| Topological polar surface area | 140 Ų |
| HS code | 28332990 |
| UN number | UN 3260 |
| InChIKey | KAQHZJVQFBJKCK-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)(=O)OS(=O)(=O)[O-].[K+].[K+] |
| PubChem CID | 62681 |
| Synonyms | Potassium disulfate, Potassium pyrosulfate, Dipotassium disulfate, Dipotassium disulphate, Dipotassium pyrosulfate, Disulfuric acid, dipotassium salt, Potassium sulfate (K2S2O7), Potassium disulfate (K2S2O7), Pyrosulfuric acid, dipotassium salt, Potassium pyrosulfate (K2S2O7), Disulfuric acid, potassium salt (1:2), Potassium disulfate, ReagentPlus |
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
- H314Causes severe skin burns and eye damage
- H318Causes serious eye damage
- H331Toxic if inhaled
Precautionary statements P260, P261, P264, P264 + P265, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 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 pyrosulphate, GR 99%+
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