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590681

Sigma-Aldrich

Potassium carbonate

anhydrous, powder, 99.99% trace metals basis

Synonym(s):

Carbonate of potash, Dipotassium carbonate

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About This Item

Linear Formula:
K2CO3
CAS Number:
Molecular Weight:
138.21
Beilstein:
4267587
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

grade

anhydrous

Assay

99.99% trace metals basis

form

powder

impurities

≤150.0 ppm Trace Metal Analysis

mp

891 °C (lit.)

solubility

ethanol: insoluble(lit.)

density

2.43 g/mL at 25 °C

SMILES string

[K+].[K+].[O-]C([O-])=O

InChI

1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

BWHMMNNQKKPAPP-UHFFFAOYSA-L

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Application

Potassium carbonate may be used as a base in the synthesis of phytochemical-based oryzanol modified polystyrene from 4-chloromethylstyrene and γ-oryzanol in order to study their liquid crystal (LC) orientation property.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Vertical liquid crystal orientation of phytochemical-based oryzanol modified polystyrene.
Kim T, et al.
Royal Society of Chemistry Advances, 8(3), 1569-1575 (2018)
S V Hartimath et al.
Molecular metabolism, 25, 154-158 (2019-05-21)
The browning of white adipose tissue (WAT) into beige has been proposed as a strategy to enhance energy expenditure to combat the growing epidemic of obesity. Research into browning strategies are hampered by the lack of sensitive, translatable, imaging tools
K Y Foo et al.
Bioresource technology, 111, 425-432 (2012-03-06)
Wood sawdust was converted into a high-quality activated carbon (WSAC) via microwave-induced K(2)CO(3) activation. The operational variables including chemical impregnation ratio, microwave power and irradiation time on the carbon yield and adsorption capability were identified. The surface physical characteristics of
Je-Lueng Shie et al.
Bioresource technology, 102(23), 11011-11017 (2011-10-07)
This study examined the effects of additives of potassium carbonate (K2CO3) and zinc oxide (ZnO) on the pyrolysis of waste sunflower-oil cake using a 60 kW pilot-scale plasma torch reactor. The major gaseous products were CO and H2. The productions
K Y Foo et al.
Bioresource technology, 102(20), 9794-9799 (2011-08-31)
Sunflower seed oil residue, a by-product of sunflower seed oil refining, was utilized as a feedstock for preparation of activated carbon (SSHAC) via microwave induced K(2)CO(3) chemical activation. SSHAC was characterized by Fourier transform infrared spectroscopy, nitrogen adsorption-desorption and elemental

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