367877
Potassium carbonate
99.995% trace metals basis
Synonym(s):
Dipotassium carbonate
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About This Item
Linear Formula:
K2CO3
CAS Number:
Molecular Weight:
138.21
UNSPSC Code:
12352302
NACRES:
NA.23
PubChem Substance ID:
EC Number:
209-529-3
Beilstein/REAXYS Number:
4267587
MDL number:
Assay:
99.995% trace metals basis
Form:
powder and chunks
Solubility:
H2O: soluble 138 g/L at 20 °C (completely)
assay
99.995% trace metals basis
form
powder and chunks
reaction suitability
core: potassium
impurities
≤55.0 ppm Trace Metal Analysis
mp
891 °C (lit.)
solubility
H2O: soluble 138 g/L at 20 °C (completely)
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
General description
Potassium carbonate (K2CO3) is a water-soluble inorganic compound that is primarily derived from potash. It is industrially prepared by reacting potassium hydroxide and carbon dioxide. The solution crystallizes to form potash hydrate, which can further be heated above 200°C to produce the anhydrous salt.
Application
K2CO3 can be used for a variety of applications such as:
- production of soaps and glasses
- drying agent for organic based compounds like ketones, alcohols, and amines
- buffering agent to produce wine
- ingredient in welding and other coatings
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Pilot plant results for a precipitating potassium carbonate solvent absorption process promoted with glycine for enhanced CO2 capture
Smith K, et al.
Fuel Processing Technology, 135, 60-65 (2015)
Transverse Tuning of TiO2 Nanotube Array by Controlling the Electrochemical Charge Transfer Resistance with Potassium Carbonate and Sodium Carbonate Composition in Ammonium Fluoride Electrolyte
Raj CC and Prasanth R
Journal of the Electrochemical Society, 162(4), E23-E29 (2015)
Evaluation of various agro-wastes for traditional black soap production
Taiwo OE and Osinowo FAO
Bioresource Technology, 79(1), 95-97 (2001)