Molecular formula:	CaB2O3
Properties:	Light magnesium oxide is odorless, tasteless and nontoxic white shapelss powder. Specific gravity: 3.58(25). Melting point: 2852. Boiling point: 3600. Slightly soluble in pure water and organic solvents, soluble in acid or salt solution. olecular formula: MgO. Molecular weight: 40.31.
Usage:	It is used in metallurgy, smelting, producing high-class magnesia bricks, refractory materials and moisture-preservation materials. It is also widely used in rubber, rubber sheet, rubber products, pharmaceutical industry, food industry, plastic board promoter, plasticizer for glass reinforced plastic, surficial coating for silicon steel sheets, paper making, steel ball polishing, leather treatment, insulation materials, grease, dyes, ceramics, drying agent, resin and fire retardant, etc.