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P1147

Sigma-Aldrich

Potassium acetate

ReagentPlus®, ≥99.0%

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About This Item

Linear Formula:
CH3COOK
CAS Number:
127-08-2
Molecular Weight:
98.14
Beilstein:
3595449
EC Number:
204-822-2
MDL number:
MFCD00012458
UNSPSC Code:
12352302
PubChem Substance ID:
329820074
NACRES:
NA.21

vapor pressure

<0.0000001 hPa ( 25 °C)

product line

ReagentPlus®

Assay

≥99.0%

form

powder or crystals

pH

7-9 (25 °C, 98.2 g/L)

density

1.57 g/cm3 at 25 °C (lit.)

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

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General description

Potassium acetate is an osmotic agent that can be prepared by the reaction between acetic acid and potassium hydroxide. It has replaced urea and glycol for deicing process. Its potential as a substitute to calcium chloride for osmotic distillation has been investigated. It intercalates with the hydroxyl groups on the kaolinite surface leading to surface modification. It acts as a catalyst that accelerates the acetylation of wood at low temperature.

Application

Potassium acetate has been used during granule bound starch synthase (GBSS) activity assay. It may be used as an activator to produce waste tea activated carbon (WTAC).

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Potassium acetate-catalyzed acetylation of wood: reaction rates at low temperatures.
Obataya E and Minato K.
Wood Science and Technology, 43(5-6), 405-413 (2009)
Preparation of waste tea activated carbon using potassium acetate as an activating agent for adsorption of Acid Blue 25 dye.
Auta M and Hameed BH.
Chemical Engineering Journal, 171(2), 502-509 (2011)
Modification of kaolinite surfaces through intercalation with potassium acetate, II.
Frost RL, et al.
Journal of Colloid and Interface Science, 214(1), 109-117 (1999)
Purification of starch granules from Arabidopsis leaves and determination of granule-bound starch synthase activity.
Albi T, et al.
Bio-protocol, 4(23), e1316-e1316 (2013)
M M Shah et al.
Applied biochemistry and biotechnology, 63-65, 423-433 (1997-04-01)
Potassium acetate is currently made by reacting petroleum-based acetic acid with potassium hydroxide. An alternate process, anaerobic fermentation of dextrose with Clostridium thermoaceticum, could be used and could possibly be cheaper. Growth characteristics and productivity of the fermentation were optimized
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