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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
magnesium dihydroxide

Inventory

EC number:
215-170-3
EC name:
Magnesium hydroxide
CAS number:
1309-42-8
CAS number:
1309-42-8
Synonyms
Names:
Magnesium hydroxide (Mg(OH)2)
Identifier:
IUPAC name
Magnesium Dihydroxide
Identifier:
IUPAC name
Magnesium Hydroxide
Identifier:
IUPAC name
Magnesium dihydroxide
Identifier:
IUPAC name
Magnesium hydroxide
Identifier:
IUPAC name
magnesium hydroxide
Identifier:
IUPAC name
magnesium(2+) dihydroxide
Identifier:
other: InChl
1/Mg.2H2O/h;2*1H2/q+2;;/p-2/fMg.2HO/h;2*1h/qm;2*-1
Identifier:
other: InChl
1S/Mg.2H2O/h;2*1H2/q+2;;/p-2
Identifier:
other: InChl
InChI=1/Mg.2H2O/h;2*1H2/q+2;;/p-2/rH2MgO2/c2-1-3/h2-3H AuxInfo=1/1/N:1;2;3/rA:3nMgOO/rB:s1;s1;/rC:-.2414,-.0034,0;1.3138,.0069,0;-1.0724,-.0034,0;/R:/0/N:1,2,3/E:(2,3)
Identifier:
other: InChl
InChI=1S/Mg.2H2O/h;2*1H2/q+2;;/p-2
Identifier:
other: InChl
InChI=1S/Mg.2H2O/h;2*1H2/q+2;;/p-2 AuxInfo=1/1/N:1;2;3/rA:3Mg+2OO-/ rB:;;/rC:;3.4907,0,0;0,-5.7493,0;
Identifier:
other: Molecular formula
Mg(OH)2
Identifier:
other: SMILES notation
Substance is inorganic and no smiles notation is possible
Identifier:
other: SMILES notation
[Mg+2].[OH-].[OH-]
Identifier:
other: SMILES notation
[Mg](O)O
Identifier:
other: SMILES notation
[OH-].[OH-].[Mg++]
magnesium dihydroxide

Molecular and structural information

Molecular formula:
H2MgO2
Molecular weight:
58.32
SMILES notation:
[OH-].[OH-].[Mg+2]
InChl:
InChI=1/Mg.2H2O/h;2*1H2/q+2;;/p-2
Structural formula:
Chemical structure

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