Magnesium carbonate: Difference between revisions
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JeffEvarts (talk | contribs) (Created page with "{{Compound|chemf=MgCO3|group=salts |density=2.958|mp=350(decomp)|sol_aq=0.139|mm=84.3 |nfpa_h=1 }} {{DecompBox|start=Magnesium Carbonate |row1={{TDRow|temp=unk|input=pentahydr...") |
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|density=2.958|mp=350(decomp)|sol_aq=0.139|mm=84.3 | |density=2.958|mp=350(decomp)|sol_aq=0.139|mm=84.3 | ||
|nfpa_h=1 | |nfpa_h=1 | ||
|decomp={{DecompSec|start=Magnesium Carbonate | |||
{{ | |||
|row1={{TDRow|temp=unk|input=pentahydrate|output=trihydrate}} | |row1={{TDRow|temp=unk|input=pentahydrate|output=trihydrate}} | ||
|row2={{TDRow|temp=157|input=trihydrate|output=dihydrate}} | |row2={{TDRow|temp=157|input=trihydrate|output=dihydrate}} | ||
|row3={{TDRow|temp=179|input=dihydrate|output=anhydrous}} | |row3={{TDRow|temp=179|input=dihydrate|output=anhydrous}} | ||
|row4={{TDRow|temp=540|input=anhydrous|output=Magnesium oxide}} | |row4={{TDRow|temp=540|input=anhydrous|output=Magnesium oxide}} | ||
}} | }}}} | ||
Magnesium carbonate is a close analogue of [[calcium carbonate]] | Magnesium carbonate is a close analogue of [[calcium carbonate]] | ||
==Uses== | ==Uses== | ||
Latest revision as of 02:03, 26 June 2019
| Chemical formula | MgCO3 |
|---|---|
| Molar Mass(g/mol) | 84.3 |
| Density(g/cc) | 2.958 |
| Melting Point(°C) | 350(decomp) |
| Solubility in water(g/L) | 0.139 |
| NFPA 704 |  0
1
0
|
| Thermal decomposition of Magnesium Carbonate | |
| unk | pentahydrate
unk°C trihydrate |
| 157 | trihydrate
157°C dihydrate |
| 179 | dihydrate
179°C anhydrous |
| 540 | anhydrous
540°C Magnesium oxide |
Magnesium carbonate is a close analogue of calcium carbonate
Uses
Justification Questioned
Other
- Feedstock for magnesium oxide, and thence to most magnesium compounds.
Natural Occurrence
Magnesium carbonate occurs naturally as the mineral Magnesite