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Potassium, chunks, in mineral oil, 98%, Thermo Scientific Chemicals
Description
Potassium forms a blue solution in tetrahydrofoliate which is used for the ? -monoalkylation of -lactones in the presence of 18-crown-6. It is used for generation of potassium ethoxide in solution, for use in the Birch reduction of an aromatic ring, for preparation of potassium amide,
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Potassium forms a blue solution in tetrahydrofoliate which is used for the ɑ -monoalkylation of -lactones in the presence of 18-crown-6. It is used for generation of potassium ethoxide in solution, for use in the Birch reduction of an aromatic ring, for preparation of potassium amide,
Solubility
Reacts with water.
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Handle and store under inert gas. Incompatible with strong oxidizing agents.
Specifications
Specifications
| Color | Gray-Silver |
| Melting Point | 63°C to 64°C |
| Boiling Point | 765°C to 770°C |
| Density | 0.860 g/mL |
| UN Number | UN2257 |
| Quantity | 25 g |
| Merck Index | 14,7604 |
| Solubility Information | Reacts with water. |
| Formula Weight | 39.1 |
| Percent Purity | 98% |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
| Lot Number | Certificate Type | Date | Catalog Number |
|---|---|---|---|
| 10249788 | Certificate of Analysis | 23/02/2024 | L13267.14,L13267.22 |
| 10240969 | Certificate of Analysis | 31/05/2022 | L13267.14,L13267.22 |
| 10209714 | Certificate of Analysis | 08/12/2021 | L13267.14,L13267.22 |
| 10206909 | Certificate of Analysis | 07/12/2021 | L13267.14,L13267.22 |
| 10209713 | Certificate of Analysis | 06/12/2021 | L13267.14,L13267.22 |
Safety and Handling
- Potassium, chunks, in mineral oil
- Danger
- Serious eye damage/eye irritation Category 1
- Skin corrosion/irritation Category 1 B
- Substance which\, in contact with water\, emits flammable gases Category 1
- H260-In contact with water releases flammable gases which may ignite spontaneously.
- H314-Causes severe skin burns and eye damage.
- H318-Causes serious eye damage.
- EUH014-Reacts violently with water.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310-Immediately call a POISON CENTER/doctor/.
- P402+P404-Store in a dry place. Store in a closed container.
- MIXTURE LIST-Contains : Potassium
RUO – Research Use Only
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