Magnesium oxide (MgO). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses.
1344-09-8N 38 | Q 70 | 49FG | L 96 (salt) | as Bond 1001 | Agrosil S | Agrosil LR | Britesil | Britesil H 20 | Britesil H 24 | Carsil | Carsil (silicate) | Caswell No. 792 | DP 222 | Dryseq | Dupont 26 | EINECS 215-687-4 | EPA Pesticide Chemical Code 072603 | HK 30 (van) | HSDB 5028 | Metso 99 | Portil A | Pyramid 1 | Pyramid 8 | Sikalon | Silica E | Silica K | Silica N | Silica R | Silican | Silicic acid| sodium salt | Sodium polysilicate | Sodium sesquisilicate | Sodium silicate | Sodium silicate glass | Sodium silicate solution | Sodium siliconate | Sodium water glass | Soluble glass | Star | Waterglass | UNII-IJF18F77L3 | EC 215-687-4
Water glass; formerly used in tuberculosis, bronchial asthma, arteriosclerosis, & as topical antiseptic; irritating & caustic to skin, mucous membranes; if swallowed, causes vomiting & diarrhea.
Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.