Potassium carbonate: Difference between revisions
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JeffEvarts (talk | contribs) (Created page with "{{Compound|chemf=K2CO3|group=salts |mm=138|density=2.43|mp=891|sol_aq=1100|sol_et=insoluble |stp_p=powder|stp_q=white|nfpa_h=1 |decomp={{DecompBox|start=Potassium carbonate |...") |
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|mm=138|density=2.43|mp=891|sol_aq=1100|sol_et=insoluble | |mm=138|density=2.43|mp=891|sol_aq=1100|sol_et=insoluble | ||
|stp_p=powder|stp_q=white|nfpa_h=1 | |stp_p=powder|stp_q=white|nfpa_h=1 | ||
|decomp={{ | |decomp={{DecompSec|start=Potassium carbonate | ||
| row1={{TDRow|temp=84.5|input=1.5-hydrate|output=anydrous|act=dehydrate}} | | row1={{TDRow|temp=84.5|input=1.5-hydrate|output=anydrous|act=dehydrate}} | ||
| row2={{TDRow|temp=891|input=anhydrous|output=liquid|act=melt}} | | row2={{TDRow|temp=891|input=anhydrous|output=liquid|act=melt}} | ||
Revision as of 01:31, 26 June 2019
| Chemical formula | K2CO3 |
|---|---|
| OTP appearance | white powder |
| Molar Mass(g/mol) | 138 |
| Density(g/cc) | 2.43 |
| Melting Point(°C) | 891 |
| Solubility in water(g/L) | 1100 |
| Solubility in ethanol(g/L) | insoluble |
| NFPA 704 |  0
1
0
|
| Thermal decomposition of Potassium carbonate | |
| 84.5 | 1.5-hydrate
84.5°C anydrous |
| 891 | anhydrous
891°C liquid |
| 899-1141 | liquid
899-1141°C K2O,CO2 |
Uses
Primary
- Primary potassium salt for metathesis reaction with calcium salts
- Neutralization of acids
Natural occurrence
- Potassium carbonate occurs naturally in wood ash.
Hazards
Production
From potash
Purification
Testing
Storage
==Disposal