Product Name: Magnesium oxide Other Names: magnesium oxide light; magnesiumoxideheavy; magnesiumoxidemeshwhitepowder; magnesiumoxidefusedcrystalswhitextl; magnesium oxide 96.0+ % for analysis; akro-mag; animag; anscorp; burnt magnesia; calcined brucite; calcined magnesite; calcinedbrucite; calcinedmagnesite; ci77711; corox; dynamag; dynatherm; elastomag 100; elastomag100; elastomag170; electromagnesia; electromagnesia (magnesium oxide); encapsulated mgo; flamarret; fused magnesium oxide; magnesium oxygen(-2) anion; Magnesia; Magnesium oxide anhydrous Molecular Formula: MgO HS No.: 2519909100 CAS No.: 1309-48-4 EINECS No.:215-171-9 Appearance: white hygroscopic solid mineral PHYSICAL PROPERTIES Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium. It has an empirical formula of MgO. Pure MgO is not conductive and has a high resistance to electric current at room temperature. APPLICATION 1.Heating elements. MgO is as a refractory material. MgO is used as a basic refractory material for crucibles. 2.Fireproofing. As a construction material, magnesium oxide wallboards have several attractive characteristics: fire resistance, termite resistance, moisture resistance, mold and mildew resistance, and strength. 3.Gas mantles. Most gas mantles utilize magnesium oxide. 4.Magnesium oxide is used extensively in the soil and groundwater remediation, wastewater treatment, drinking water treatment, air emissions treatment, and waste treatment industries for its acid buffering capacity and related effectiveness in stabilizing dissolved heavy metal species. 5.Medical.Magnesium oxide is used for relief of heartburn and indigestion, as an antacid, magnesium supplement, and as a short-term laxative. It is also used to improve symptoms of indigestion. Side effects of magnesium oxide may include nausea and cramping. 6.As a food additive, it is used as an anticaking agent.