Magnesium carbonate

 

Magnesium carbonate

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

!colspan=2|Thermal decomposition of
Magnesium Carbonate

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!style="text-align:right;" | unk

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pentahydrate
unk°C
trihydrate

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!style="text-align:right;" | 157

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trihydrate
157°C
dihydrate

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!style="text-align:right;" | 179

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dihydrate
179°C
anhydrous

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!style="text-align:right;" | 540

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anhydrous
540°C
Magnesium oxide

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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