7462 <common-name>MAGNESIUM HYDROXIDE</common-name> <description>MAGNESIUM HYDROXIDE belongs to the alkaline earth metal hydroxides, a subclass of alkaline earth metal oxoanionic compounds within the inorganic compounds. This compound has the chemical formula H2MgO2 and an average molecular weight of 58.32 g/mol. It is further classified as a mixed metal/non-metal compound. In industrial contexts, magnesium hydroxide serves a wide variety of roles and uses. It is employed as a pH regulating agent, absorbent, flame retardant, binder, and filler. Additionally, it functions as a conductive agent, drier, dye, and flavouring and nutrient, as well as serving as processing aids not otherwise specified. The compound is found in or released from eleven recorded sources. Within the building and construction sector, it is present in ceilings, fencing, floors, roofs, stairs and ramps, and three other sources. In the realm of healthcare, pharmaceuticals, and veterinary products, it is used in urologicals and drugs for acid related disorders. It is also found in antennas within electrical and electronic equipment. Recorded exposure routes for the substance include oral and topical administration.</description> <cas>1309-42-8</cas> <pubchem-id>14791</pubchem-id> <chemical-formula>H2MgO2</chemical-formula> <weight>58.32</weight> <appearance nil="true"/> <melting-point nil="true"/> <boiling-point nil="true"/> <density nil="true"/> <solubility nil="true"/> <specific-gravity nil="true"/> <flash-point nil="true"/> <vapour-pressure nil="true"/> <route-of-exposure nil="true"/> <target nil="true"/> <mechanism-of-toxicity nil="true"/> <metabolism nil="true"/> <toxicity nil="true"/> <lethaldose nil="true"/> <carcinogenicity nil="true"/> <use-source nil="true"/> <min-risk-level nil="true"/> <health-effects nil="true"/> <symptoms nil="true"/> <treatment nil="true"/> <created-at type="dateTime">2016-05-19T02:12:47Z</created-at> <updated-at type="dateTime">2026-05-14T19:02:34Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id nil="true"/> <biocyc-id nil="true"/> <ctd-id nil="true"/> <stitch-id nil="true"/> <drugbank-id>DB09104</drugbank-id> <pdb-id nil="true"/> <actor-id nil="true"/> <organism nil="true"/> <export type="boolean">true</export> <metabolizing-proteins nil="true"/> <transporting-proteins nil="true"/> <moldb-smiles>[OH-].[OH-].[Mg++]</moldb-smiles> <moldb-formula>H2MgO2</moldb-formula> <moldb-inchi>InChI=1S/Mg.2H2O/h;2*1H2/q+2;;/p-2</moldb-inchi> <moldb-inchikey>VTHJTEIRLNZDEV-UHFFFAOYSA-L</moldb-inchikey> <moldb-average-mass type="decimal">58.32</moldb-average-mass> <moldb-mono-mass type="decimal">57.990521206</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>-0.57</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id nil="true"/> <structure-image-file-name nil="true"/> <structure-image-content-type nil="true"/> <structure-image-file-size type="integer" nil="true"/> <structure-image-updated-at type="dateTime" nil="true"/> <biodb-id nil="true"/> <synthesis-reference nil="true"/> <structure-image-caption nil="true"/> <chemdb-id>CHEM006357</chemdb-id> <dsstox-id>DTXSID4049662</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00074456</susdat-id> <iupac>magnesium(2+) dihydroxide</iupac> <moldb-polar-surface-area>0</moldb-polar-surface-area> <moldb-refractivity>0</moldb-refractivity> <moldb-polarizability>1.7784</moldb-polarizability> <moldb-rotatable-bond-count>0</moldb-rotatable-bond-count> <moldb-acceptor-count>0</moldb-acceptor-count> <moldb-donor-count>0</moldb-donor-count> <moldb-pka-strongest-acidic>15.7</moldb-pka-strongest-acidic> <moldb-pka-strongest-basic>-1.7999999999999998</moldb-pka-strongest-basic> <moldb-physiological-charge>0</moldb-physiological-charge> <moldb-number-of-rings>0</moldb-number-of-rings> <moldb-alogps-logp nil="true"/> <moldb-alogps-logs nil="true"/> <moldb-alogps-solubility nil="true"/> <kingdom>Inorganic compounds</kingdom> <superklass>Mixed metal/non-metal compounds</superklass> <klass>Alkaline earth metal oxoanionic compounds</klass> <subklass>Alkaline earth metal hydroxides</subklass> <paper-count type="integer">1892</paper-count> <sync-id>CED0001644</sync-id> <structure-inchikey>VTHJTEIRLNZDEV-UHFFFAOYSA-L</structure-inchikey> <structure-fingerprint>800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000</structure-fingerprint> <structure-pattern-fingerprint>40000004000000000000000000000000000000000000000000080000000000044000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000</structure-pattern-fingerprint> <structure-pickle type="binary" encoding="base64">776t3gAAAAAQAAAAAwAAAAAAAAADAAAAAAAAAIABCCAyAAAA/wEBCCAyAAAA /wEBDCAKAAAAAgELQgAAAAAXBAAAAAAAAAAW </structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T04:02:53Z</structure-indexed-at> </compound>