Magnesium bicarbonate

Magnesium(ion) bicarbonate(ion) ions

Names
IUPAC name

Magnesium hydrogencarbonate

Other names

Magnesium bicarbonate

Identifiers

CAS Number

* 2090-64-4 N

3D model (JSmol)

* Interactive image
* Interactive image

ChemSpider |

* 92335 Y

EC Number |

* 218-240-1

PubChem CID

* 102204

UNII |

* 19E9A0647O

InChI

* InChI=1S/2CH2O3.Mg/c2*2-1(3)4;/h2*(H2,2,3,4);/q;;+2/p-2

Key: QWDJLDTYWNBUKE-UHFFFAOYSA-L

SMILES

* OC(=O)O[Mg]OC(=O)O

* [Mg+2].OC([O-])=O.OC([O-])=O

Properties

Chemical formula

| Mg(HCO3)2
Molar mass | 146.34 g/mol

Solubility in water

| 0.077 g / (100 mL)
Related compounds

Other cations

| Calcium bicarbonate

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Y verify (what is YN ?)
Infobox references

Magnesium bicarbonate or magnesium hydrogencarbonate, Mg(HCO3)2, is the bicarbonate salt of magnesium. It can be formed through the reaction of dilute solutions of carbonic acid (such as seltzer water) and magnesium hydroxide (milk of magnesia).

It can be prepared through the synthesis of magnesium acetate and sodium bicarbonate:

Mg(CH
3COO)
2 \+ 2 NaHCO
3 → Mg(HCO

2 \+ 2 CH
3COONa

Magnesium bicarbonate exists only in aqueous solution. Magnesium does not form solid bicarbonate as does lithium. To produce it, a suspension of magnesium hydroxide is treated with pressurized carbon dioxide, producing a solution of magnesium bicarbonate:[1]

Mg(OH)2 \+ 2 CO2 → Mg(HCO3)2

Drying the resulting solution causes the magnesium bicarbonate to decompose, yielding magnesium carbonate, carbon dioxide, and water:

Mg2+ \+ 2 HCO3− → MgCO3 \+ CO2 \+ H2O

## References

1. ↑ Margarete Seeger; Walter Otto; Wilhelm Flick; Friedrich Bickelhaupt; Otto S. Akkerman. "Ullmann's Encyclopedia of Industrial Chemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a15_595.pub2.

* v
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Magnesium compounds

* MgB2
* MgBr2
* MgCO3
* MgC2O4
* MgC6H6O7
* MgC14H10O4
* MgCl2
* Mg(ClO4)2
* MgF2
* MgH2
* Mg(HCO3)2
* MgI2
* Mg(NO3)2
* MgO
* MgO2
* Mg(OH)2
* MgPo
* MgS
* MgSO3
* MgSO4
* MgU2O7
* Mg2Al3
* Mg2Si
* Mg2SiO4
* Mg2Si3O8
* Mg3N2
* Mg3(PO4)2
* Mg2(CrO4)2

Carbonates  H2CO3 |  |  |  | He

|
|
|
|

Li2CO3,
LiHCO3 | BeCO3 | B  | C  | (NH4)2CO3,
NH4HCO3 | O  | F  | Ne
Na2CO3,
NaHCO3,
Na3H(CO3)2 | MgCO3,
Mg(HCO3)2 | Al2(CO3)3 | Si  | P  | S  | Cl  | Ar
K2CO3,
KHCO3 | CaCO3,
Ca(HCO3)2 | Sc  | Ti  | V  | Cr  | MnCO3 | FeCO3 | CoCO3 | NiCO3 | CuCO3 | ZnCO3 | Ga  | Ge  | As  | Se  | Br  | Kr
Rb2CO3 | SrCO3 | Y  | Zr  | Nb  | Mo  | Tc  | Ru  | Rh  | Pd  | Ag2CO3 | CdCO3 | In  | Sn  | Sb  | Te  | I  | Xe
Cs2CO3,
CsHCO3 | BaCO3 |  | Hf  | Ta  | W  | Re  | Os  | Ir  | Pt  | Au  | Hg  | Tl2CO3 | PbCO3 | (BiO)2CO3 | Po  | At  | Rn
Fr  | Ra  |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
La2(CO3)3 | Ce2(CO3)3 | Pr  | Nd  | Pm  | Sm  | Eu  | Gd  | Tb  | Dy  | Ho  | Er  | Tm  | Yb  | Lu
Ac  | Th  | Pa  | UO2CO3 | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No  | Lr

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