Overview
Multifunctional Magnesium Oxide (MgO) is a white, odorless powder or crystalline solid with a high melting point and excellent thermal stability. It is derived from magnesium carbonate or magnesium hydroxide through calcination. Due to its versatile properties, MgO is widely used in industries such as construction, pharmaceuticals, and environmental protection. MgO is known for its alkaline nature and ability to neutralize acids, making it valuable in wastewater treatment and soil remediation. Its flame-retardant properties also make it a key component in fireproof materials and electrical insulation.
Physical and Chemical Properties
Multifunctional Magnesium Oxide exhibits a high melting point of 2,852°C and a boiling point of 3,600°C, making it suitable for high-temperature applications. It has a density of 3.58 g/cm³ and is slightly soluble in water but readily dissolves in acids. Its thermal conductivity and electrical insulation properties are highly valued in industrial settings. The compound is chemically stable and non-combustible, which contributes to its use as a flame retardant. Its alkaline nature allows it to neutralize acidic substances, making it useful in environmental and pharmaceutical applications.
Main Applications
MgO is extensively used in the production of refractory materials for furnaces and kilns due to its high thermal stability. In environmental applications, it is employed for wastewater treatment and flue gas desulfurization to neutralize acidic pollutants. The pharmaceutical industry uses MgO as an antacid and dietary supplement. In the construction industry, MgO is added to cement and boards for its fire-resistant properties. It is also used as a filler in plastics and rubber to enhance mechanical and thermal properties. Additionally, MgO serves as a catalyst in chemical reactions and a component in batteries.
Safety and Storage
While MgO is generally considered non-toxic, prolonged exposure to dust can cause respiratory irritation. Proper personal protective equipment (PPE), such as masks and gloves, should be worn during handling. It should be stored in a cool, dry place away from moisture and acids to prevent degradation. In case of skin or eye contact, rinse immediately with plenty of water. MgO is not flammable, but it should be kept away from strong acids to avoid violent reactions. Proper labeling and storage conditions are essential for safe handling in industrial settings.
B2B Procurement Guide
When procuring Multifunctional Magnesium Oxide, B2B buyers should prioritize purity levels, which typically range from 95% to 99.9%, depending on the application. Particle size and surface area are also critical factors, especially for pharmaceutical and catalytic uses. Suppliers should provide certifications such as ISO, REACH, or USP for pharmaceutical-grade MgO. Bulk buyers can negotiate prices based on quantity, with larger orders often receiving discounts. It is advisable to request samples and conduct quality tests before finalizing large purchases to ensure consistency and performance.
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