236497
Potassium acetate
ACS reagent, ≥99.0%
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About This Item
Linear Formula:
CH3COOK
CAS Number:
Molecular Weight:
98.14
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
EC Number:
204-822-2
Beilstein/REAXYS Number:
3595449
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
powder or crystals
Solubility:
water: soluble 98.2 g/L at 20 °C
grade
ACS reagent
Quality Level
vapor pressure
<0.0000001 hPa ( 25 °C)
assay
≥99.0%
form
powder or crystals
impurities
≤0.005% insolubles
pH
6.5-9.0 (25 °C, 5%)
solubility
water: soluble 98.2 g/L at 20 °C
density
1.57 g/cm3 at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.003%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.002%
cation traces
Ca: ≤0.005%, Fe: ≤5 ppm, Mg: ≤0.002%, Na: ≤0.03%, heavy metals: ≤5 ppm (as Pb)
suitability
complies for IR spectroscopy
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 material used as a base in organic synthesis. It can also be used as a buffer and neutralizing agent.
Application
Potassium acetate can be used:
Potassium acetate can also be used as a base:
- As a catalyst in the glycolysis of rigid polyurethane (PU) using DEG (diethylene glycol) as a solvent.
- As a nucleophilic catalyst for addition and polymerization reaction.
- As a nucleophilic catalyst in the regioselective reaction of epoxides with S-phenyl thioesters.
- As a promoter/base in transition metal-catalyzed reactions.
- As a source of methyl radical in photo-decarboxylative nucleophilic additions to phthalimides and source of potassium ion for templating reactions.
Potassium acetate can also be used as a base:
- In the Lossen rearrangement of hydroxamic acid.
- In the E2 elimination′s reaction.
- In the fragmentation of α,α-dichloroketoesters and deprotonation of alcohols.
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Potassium acetate-catalyzed acetylation of wood: extraordinarily rapid acetylation at 120 C.
Obataya E and Minato K.
Wood Science and Technology, 42(7), 567-577 (2008)
Eagleson M.
Concise Encyclopedia Chemistry, 886-886 (1994)
Jay D Gralla et al.
The EMBO journal, 25(7), 1515-1521 (2006-03-17)
Potassium glutamate accumulates upon hyper-osmotic shock and serves as a temporary osmoprotectant. This salt leads to transcriptional activation of sets of genes that allow the cell to achieve long-term adaptation to high osmolarity. The current experiments show that potassium glutamate
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 236497-2.5KG | 04061838785688 |
| 236497-12KG | 04061833636633 |
| 236497-4X2.5KG | 04061832562919 |
| 236497-500G | 04061838785695 |
| 236497-100G | 04061838785671 |