Magnesium Hydroxide (8CI); 10A; 10A (hydroxide); 1110F; 200-06H; 2M-C01; 2N; 2N (Magnesium Hydroxide); 3320HT; 5D12; 936A; 96HS; Alcanex NHC 25; Apymag 40S; Apymag 80S; Apymag AOH 820; Aquamag; Aquamag (hydroxide); Asahi Glass 200-06; B 54; Burusaito; Combustrol 500; DG 800; DP 393; DSB 100; Daimushew 6000; Delamin FRA-B 15; Duhor; EP 1; FD 905U; FK 621; Finemag MO; Kisuma; Kyowamag F; M 3C2; Maglux ST; Magnesium Dihydroxide; Magnesium(II) Hydroxide; Magnifin A; Magseeds EP 2A; NF 2000; Nittomagu S; Novadol; Phillips Magnesia Tablets; Phillips Milk of Magnesia Liquid; Polysafe MG 2; Pural MG 100; QM 70; S 40 (hydroxide); S/G 84; SP; SP (hydroxide); SX 30MS

Used as an additive in certain refractories. It is applied as a non-hazardous alkali in neutralizing acidic wastewater. It is also used in making artificial reefs. It widely used in milk of magnesia antacids and laxatives. Also works as an antiperspirant.