25059
Potassium acetate
puriss., meets analytical specification of Ph. Eur., BP, E261, 99-101%
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제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
CH3COOK
CAS 번호:
Molecular Weight:
98.14
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
204-822-2
Beilstein/REAXYS Number:
3595449
MDL number:
Assay:
99-101%
Form:
crystalline
vapor pressure
<0.0000001 hPa ( 25 °C)
Quality Segment
grade
puriss.
assay
99-101%
form
crystalline
quality
meets analytical specification of Ph. Eur., BP, E261
impurities
residual solvents, complies, ≤0.0004% heavy metals (as Pb), ≤0.05% KMnO4 red. matter (as HCOOH)
loss
≤1% loss on drying, 150 °C, 2 h
pH
7.5-9 (20 °C, 5%)
density
1.57 g/cm3 at 25 °C (lit.)
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
Al: ≤1 mg/kg, As: ≤2 mg/kg, Ca: ≤50 mg/kg, Cu: ≤4 mg/kg, Fe: ≤10 mg/kg, Mg: ≤30 mg/kg, Na: ≤5000 mg/kg, Pb: ≤4 mg/kg, Zn: ≤10 mg/kg
SMILES string
[K+].CC([O-])=O
InChI
1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1
InChI key
SCVFZCLFOSHCOH-UHFFFAOYSA-M
General description
Potassium acetate is a hygroscopic potassium salt. It can be prepared by the neutralization of acetic acid with potassium hydroxide or potassium carbonate. It can be used as nucleophilic catalyst for polymerization and addition reactions, source of acetate anion in substitution and addition reaction. It can be used as a base and promoter in various organic reactions.
Application
Potassium acetate is used as a catalyst:
Potassium acetate is also used as a promoter:
- In the preparation of 2-hexadecylfuran from furfuraldehyde and palmitic anhydride.
- Potassium acetate can be used as a base:,In Lossen rearrangement of hydroxamic acids to carbamic acids.
- In E2 elimination reactions.
- In the formation of lactones from alkoxyamide substrates.
Potassium acetate is also used as a promoter:
- In the borylation of aryl chlorides with bis(pinacolato)diboron in presence of palladium catalyst.
- In the β-boration of α, β-unsaturated ketones.
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저장 등급
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable