Record Information
Version1.0
Creation date2010-04-08 22:10:38 UTC
Update date2018-05-29 01:04:17 UTC
Primary IDFDB013291
Secondary Accession NumbersNot Available
Chemical Information
FooDB NameMagnesium hydroxide
DescriptionIt is used in foods as a dietary supplement, pH control agent and processing aid Magnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2. As a suspension in water, it may be referred to as Milk of Magnesia. The solid mineral form of magnesium hydroxide is known as brucite.
CAS Number1309-42-8
Structure
Thumb
Synonyms
SynonymSource
Magnesium hydrateChEBI
MagnesiumhydroxidChEBI
MG(OH)2ChEBI
Milk OF magnesiaChEBI
MilmagKegg
Mint-O-magKegg
Magnesium hydric acidGenerator
E528db_source
Milk of magnesiadb_source
Predicted Properties
PropertyValueSource
logP-0.57ChemAxon
pKa (Strongest Acidic)15.7ChemAxon
pKa (Strongest Basic)-1.8ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count0ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area0 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity0 m³·mol⁻¹ChemAxon
Polarizability1.78 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Chemical FormulaH2MgO2
IUPAC namemagnesium(2+) ion dihydroxide
InChI IdentifierInChI=1S/Mg.2H2O/h;2*1H2/q+2;;/p-2
InChI KeyVTHJTEIRLNZDEV-UHFFFAOYSA-L
Isomeric SMILES[OH-].[OH-].[Mg++]
Average Molecular Weight58.32
Monoisotopic Molecular Weight57.990521206
Classification
Description belongs to the class of inorganic compounds known as alkaline earth metal hydroxides. These are inorganic compounds in which the largest oxoanion is hydroxide, and in which the heaviest atom not in an oxoanion is an alkaline earth metal.
KingdomInorganic compounds
Super ClassMixed metal/non-metal compounds
ClassAlkaline earth metal oxoanionic compounds
Sub ClassAlkaline earth metal hydroxides
Direct ParentAlkaline earth metal hydroxides
Alternative Parents
Substituents
  • Alkaline earth metal hydroxide
  • Inorganic hydride
  • Inorganic oxide
  • Inorganic salt
Molecular FrameworkNot Available
External Descriptors
Physico-Chemical Properties - Experimental
Physico-Chemical Properties - Experimental
PropertyValueReference
Physical stateNot Available
Physical DescriptionNot Available
Mass CompositionH 3.46%; Mg 41.68%; O 54.87%DFC
Melting Point350 °C (decomp.)
Boiling PointNot Available
Experimental Water SolubilityNot Available
Experimental logPNot Available
Experimental pKaNot Available
Isoelectric pointNot Available
ChargeNot Available
Optical RotationNot Available
Spectroscopic UV DataNot Available
DensityNot Available
Refractive IndexNot Available
Spectra
SpectraNot Available
ChemSpider IDNot Available
ChEMBL IDNot Available
KEGG Compound IDNot Available
Pubchem Compound IDNot Available
Pubchem Substance IDNot Available
ChEBI IDNot Available
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDHMDB32435
CRC / DFC (Dictionary of Food Compounds) IDHRQ38-E:HRQ38-E
EAFUS ID2083
Dr. Duke IDNot Available
BIGG IDNot Available
KNApSAcK IDNot Available
HET IDNot Available
Flavornet IDNot Available
GoodScent IDrw1099181
SuperScent IDNot Available
Wikipedia IDMagnesium_hydroxide
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
FoodReference
Biological Effects and Interactions
Health Effects / BioactivitiesNot Available
EnzymesNot Available
PathwaysNot Available
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
Flavours
FlavorCitations
odorless
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
Files
MSDSNot Available
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference