Chemical Identifiers
CAS
7440-09-7
Molecular Weight (g/mol)
39.10
MDL Number
MFCD00133776
Synonym
potassium|kalium|potasio|potassium atom|humic acid
SMILES
[K]
InChI Key
ZLMJMSJWJFRBEC-UHFFFAOYSA-N
Molecular Formula
K
IUPAC Name
potassium
Specifications
Impurity content
Sodium Na ≤ 2%
Form
Pieces/chunks of upto ca. 12g
Impurity content
Lead Pb ≤ 20ppm
Appearance (Color)
Silver/grey or white to pale yellow
Assay (unspecified)
≥97.5%
설명
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,
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.
Other References:
Merck Index:14,7604UN Number:UN2257
GHS Hazard and Precautionary Statements
Hazard Statements:H260-H314
GHS H StatementH260-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 Statements:P223-P231+P232-P260-P264b-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P335+P334-P363-P370+P378q-P501c
Risk & Safety
TSCA:YesRTECS Number:TS6460000
경고:RUO – Research Use Only
CAS7440-09-7FORMULAKHAZARD CLASS4.3EINECS231-119-8MDLMFCD00133776PACKAGING GROUPI
| Pakage | 100g, 25g |
|---|---|
| brand | Alfa Aesar |
