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.

Applications
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

Chemical Identifiers

• CAS: 7440-09-7
• Molecular Formula: K
• Molecular Weight (g/mol): 39.10
• MDL Number: MFCD00133776
• InChI Key: ZLMJMSJWJFRBEC-UHFFFAOYSA-N
• Synonym: kalium, potassium, metal, potassium, liquid alloy, unii-rwp5ga015d, rwp5ga015d, hsdb 698, monopotassium, potasio, mono-potassium, atom
• PubChem CID: 5462222
• ChEBI: CHEBI:26216
• IUPAC Name: potassium
• SMILES: [K]

• Color: Gray-Silver
• Melting Point: 63°C to 64°C
• Boiling Point: 765°C to 770°C
• Density: 0.860 g/mL
• Quantity: 25 g
• UN Number: UN2257
• Merck Index: 14,7604
• Solubility Information: Reacts with water.
• Formula Weight: 39.1
• Percent Purity: 98%
• Odor: Odorless
• Sensitivity: Air and moisture sensitive
• Form: Solid
• Chemical Name or Material: Potassium, chunks, in mineral oil

Safety and Handling

Hazard Category	H260-H314
Hazard Statement	GHS H Statement H260-H314-H318 In contact with water releases flammable gases which may ignite spontaneously. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P223-P231+P232-P260-P264b-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P335+P334-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 4.3; Packaging Group: I; Proper Shipping Name: POTASSIUM
EINECSNumber	231-119-8
RTECSNumber	TS6460000
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Argon

SDS

RUO – Research Use Only