Who manufactures magnesium oxide?

According to a Google search, magnesium oxide is manufactured by several major companies, including American Elements, Martin Marietta, and Ube Industries. These companies are known for their high-quality products and global distribution networks.

What Is Magnesium Oxide?

Magnesium oxide (MgO) is a widely used compound with a variety of industrial and medicinal applications. With its chemical formula MgO, molar mass of 40.3 g/mol, density of 3.65 g/cm³, and CAS number 1309-48-4, it is a versatile material offering numerous benefits.

Uses of Magnesium Oxide

Medicinal Uses

In the medical field, magnesium oxide is commonly used as a stomachic and laxative. It effectively neutralizes stomach acid, making it a useful remedy for conditions such as gastritis and gastric ulcers. Due to its slow release of carbon dioxide, it is less irritating compared to other antacids like sodium bicarbonate. Small doses of magnesium oxide can also act as an effective laxative, but excessive intake may lead to hypermagnesemia, presenting symptoms like nausea, vomiting, and muscle weakness.

Industrial Uses

Industrial applications of magnesium oxide are vast and varied. It is a critical additive in products thanks to its thermal conductivity, acid resistance, high-temperature resistance, and insulating properties. From flue gas desulfurization processes to use in paint additives and ceramics, magnesium oxide's industrial importance cannot be overstated. For more details, visit Meishen.

Properties of Magnesium Oxide

Magnesium oxide is almost insoluble in water but soluble in acids where it forms salts. When subjected to temperatures above 1,000°C, it densifies and becomes insoluble even in acids. It is nearly insoluble in organic solvents and exhibits hygroscopic properties, readily absorbing oxygen and water from the air.

Structure of Magnesium Oxide

At ambient temperature and pressure, magnesium oxide appears as a hygroscopic white powder in a cubic crystal structure. Its reflective properties make it suitable for optical devices, and it serves practical applications in industries such as leather treatment.

Magnesium Oxide Production Methods

Precipitation from Seawater

One of the methods involves precipitating magnesium oxide from seawater, offering an abundant and renewable source.

Burning of Metallic Magnesium

This method entails burning metallic magnesium to produce magnesium oxide.

Heating or Melting Processes

Magnesium oxide can also be produced through heating or melting processes, resulting in different variants with varying levels of reactivity.

Magnesium oxide manufacturers engage in the preparation, processing, compounding, and propagation of this essential compound, including repackaging and relabeling. The FDA regulates these manufacturers to ensure compliance with laws and regulations and to guarantee the safety and efficacy of their products. Manufacturers of Magnesium Oxide API must follow Good Manufacturing Practices (GMP) to ensure consistent product quality.

When contacting suppliers, specify your product requirements, including any specific monographs like EP (Ph. Eur.), USP, JP, BP, or other quality standards. If needed, clarify whether you require hydrochloride (HCl), anhydricum, base, or micronized forms. Use filters to find suppliers certified by GMP, FDA, or other certifications. CAS numbers and synonyms might assist in identifying suppliers, but verify product details to ensure they meet your needs before making a purchase.

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