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SHEET /m/magnesium-hydroxide · PubChem CID 14791 · CAS 1317-43-7 · REV 2026.07

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Magnesium hydroxide

from source

H2MgO2 · 58.32 g/mol

magnesium hydrate · milk of magnesia · Di-Gel · Haley's MO

Also sold as Milk of Magnesia, Phillips' from source

What is Magnesium hydroxide?

Milk of magnesia, taken as an antacid at small doses and as a laxative at larger ones. It is also the white filler in some deodorants. from source

CategoryOTC medicine
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Fig. 1 · 2D structure RDKit

SMILES[OH-].[OH-].[Mg+2]

Where you'll find it

Sold over the counter, without a prescription. Sold as Milk of Magnesia, Phillips'. See the rest of the otc medicine group.

Sources & methodology

PubChem CID
14791
Wikidata
Q407548
Structure
PubChem → RDKit
Data refreshed

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