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Potassium carbonate

CAS:
584-08-7
MF:
K2CO3
MW:
138.21

Properties

Melting point:
891 °C (lit.)
Boiling point:
decomposes [STR93]
Density 
2.43 g/mL at 25 °C
storage temp. 
Store at +5°C to +30°C.
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
powder
color 
Yellow
Specific Gravity
2.29
PH
11.5-12.5 (50g/l, H2O, 20℃)
Water Solubility 
1120 g/L (20 ºC)
Sensitive 
Hygroscopic
λmax
λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02
Merck 
14,7619
BRN 
4267587
Stability:
Stable. Incompatible with moisture, acids, magnesium bromine trifluoride and magnesium bromine trichloride.

Safety Information

Symbol(GHS) 

GHS07
Signal word 
Warning
Hazard statements 
H302-H315-H319-H335
Precautionary statements 
P280a-P304+P340-P405-P301+P312+P330-P305+P351+P338-P261-P280-P337+P313-P264-P280i-P301+P312a-P501a
Hazard Codes 
Xn
Risk Statements 
22-36/37/38-20/21/22
Safety Statements 
26-36-37/39
RIDADR 
3262
WGK Germany 
1
RTECS 
TS7750000
3
TSCA 
Yes
PackingGroup 
III
HS Code 
28364000
Toxicity
LD50 orally in rats: 1.87 g/kg, H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969)

Use

Potassium carbonate (K2C03) in solution form can be used as a liquid fertilizer. A limited quantity of the solid is used as a non-chloride form of potassium for tobacco. Potassium carbonate is obtained from ash. It is made by electrolysis of potassium chloride. Potassium hydroxide on reaction with carbon dioxide gives potassium carbonate. Liquid carbonate contains about 50% potassium carbonate in water. The solid product, which contains over 70% potassium carbonate is fairly expensive and is of use in only limited types of acid soil. Neutralizing caustic potash with carbon dioxide gas also produces potassium carbonate.

467 supplier list of "Potassium carbonate"

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Potassium carbonate Related Search:

Cesium carbonateMagnesium carbonatePotassium bicarbonateSodium bicarbonateSodium carbonatePotassium ethylxanthatePOTASSIUM CARBONATE DIHYDRATEAluminium potassium sulfate dodecahydratePotassium hydroxide Potassium methoxidePotassium formatePotassium CitratePotassium iodideCalcium carbonatePotassium carbonatePotassiumPotassium nitrateZirconium dioxide
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