Potassium metal, 98%
Buy Potassium metal, 98% (CAS 7440-09-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our Metal Granules, Shots & Pieces range.
About Potassium metal, 98%
Zemixal supplies Potassium metal, 98% within its inorganic Chemicals, Metals & Advanced Materials portfolio. Key data (Synthesis): CAS 7440-09-7, formula K and molar mass 39.1 g/mol. Expect silver to white chunks.
Common uses in the lab and plant
- Alloy preparation
- Evaporation sources
- Materials research
Handling and storage
Physical constants on file: melting point 64 °C. Classified under GHS with signal word Danger and hazard statements H260 and H314. Read the SDS before first use. For transport it ships as UN UN 2257.
Available as 25 g, 100 g, 1 kg and 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Alloy preparation
- Evaporation sources
- Materials research
Applications
Specifications and identifiers
| Product name | Potassium metal, 98% |
|---|---|
| Catalogue number | ZX-015926 |
| CAS number | 7440-09-7 |
| IUPAC name | potassium |
| Molecular formula | K |
| Molar mass | 39.1 g/mol |
| Exact mass | 38.9637 |
| Grade | Synthesis |
| Purity / assay | 98% |
| Physical form | Solid |
| Appearance | Silver to white chunks |
| Melting point | 64 °C |
| H-bond donors / acceptors | 0 / 0 |
| Topological polar surface area | 0 Ų |
| HS code | 28051900 |
| UN number | UN 2257 |
| InChIKey | ZLMJMSJWJFRBEC-UHFFFAOYSA-N |
| SMILES | [K] |
| PubChem CID | 5462222 |
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
- H260In contact with water releases flammable gases which may ignite spontaneously
- H314Causes severe skin burns and eye damage
Precautionary statements P223, P231 + P232, P260, P264, P280, P301 + P330 + P331, P302 + P335 + P334, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, P370 + P378, P402 + P404, 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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 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.
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