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Magnesium Oxide

Product Name Magnesium Oxide Powder
Other Names Magnesia, Magnesium monoxide, Magnesium(II) oxide, Magox, Mag-Ox
CAS Number 1309-48-4
Molecular Formula MgO
Molecular Weight 40.30 g/mol
Applications Personal Care, Dietary Supplements, Functional Foods, Animal Nutrition, etc.
Package 1kg, 5kg/bag, 25kg/drum

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Magnesium Oxide

What Is Magnesium Oxide?

Magnesium oxide, also known as magnesia or burnt magnesia, is a chemical compound consisting of magnesium and oxygen atoms (MgO). It is a white, powdery substance that occurs naturally as the mineral periclase. The compound is produced by heating magnesium carbonate or hydroxide at high temperatures, typically obtained from magnesite or seawater.

One of the significant characteristics of magnesium oxide is its high melting point, which makes it valuable in various industrial applications. Refractory materials are widely utilized for their ability to withstand extremely high temperatures. Steel, cement, and glassmaking industries rely on magnesium oxide to line furnaces, kilns, and other high-temperature environments.

In addition to its industrial uses, magnesium oxide is commonly employed as a dietary supplement. It provides the essential mineral magnesium necessary for numerous bodily functions. Magnesium oxide supplements address magnesium deficiency and support bone health, nerve function, and muscle contraction.

Magnesium oxide’s alkaline nature makes it an effective antacid. It can neutralize excess stomach acid, relieving conditions like indigestion and heartburn. As an over-the-counter medication, it is available in tablet or liquid form.

Furthermore, magnesium oxide serves as a supplement in animal feed. It helps fulfill the dietary requirements of livestock, ensuring proper bone development, nerve function, and enzyme activity in animals.

In specific applications, magnesium oxide acts as a flame retardant. When exposed to high temperatures, releasing water vapor helps suppress fires and slows the spread of flames when incorporated into specific materials.

The compound finds utility in various industries beyond those mentioned above. It is used in ceramics for glaze production, as a component in fertilizers to provide essential magnesium nutrients to plants, in water treatment processes to adjust pH levels, and as a catalyst in specific chemical reactions.

Magnesium oxide’s exceptional properties, including high thermal resistance, alkalinity, and the ability to supplement magnesium, contribute to its widespread applications in industries and everyday products.

Common Bulk Magnesium Oxide Specifications

  • 99% pure bulk magnesium oxide powder
TypeMineral
AppearanceWhite powder
ContentMin. 95%
PurityMin. 99%
Particle Size325 mesh (max)
CertificationsGMP, FDA
Other IngredientNone
SolventNone
Water ContentMax. 1%
Test MethodUSP, EP
MOQ (minimum order quantity)1kg
SampleAvailable (10-20g/bag)
OEM ServiceAvailable, such as capsules, tablets, pills, etc.
ODM ServiceAvailable
Private LabelAvailable
Contract ManufacturingAvailable

What Is The Source Of MgO Powder?

Magnesium oxide can be obtained from various sources. Here are the primary sources of magnesium oxide powder.

  • Natural Deposits

Magnesium oxide occurs naturally as the mineral periclase. It can be found in magnesite deposits, a magnesium carbonate mineral. Magnesite deposits are typically mined, and the mineral is processed to extract magnesium oxide.

  • Seawater

Another significant source of magnesium oxide is seawater. Seawater contains dissolved magnesium ions, which can be extracted through seawater magnesia extraction. The extracted magnesium ions are then converted into magnesium hydroxide and further calcined to produce magnesium oxide powder.

  • Brine

Some regions have brine deposits containing high concentrations of magnesium salts. Brine can be treated and processed to extract magnesium compounds, including magnesium oxide.

  • Industrial Byproducts

Magnesium oxide powder can also be derived as a byproduct from various industrial processes. For example, magnesium oxide can be obtained as a byproduct when magnesium metal is produced through the electrolysis of magnesium chloride. Similarly, specific chemical reactions in steel and cement manufacturing industries can generate magnesium oxide as a secondary product.

Once the raw materials are obtained from these sources, they undergo processing to produce magnesium oxide powder. It typically involves heating the raw materials at high temperatures, causing chemical reactions that form magnesium oxide. The powder is further processed and refined to achieve the desired particle size and purity.

What Is Magnesium Oxide Powder Manufacturing Process?

Step 1: Raw material Preparation

The materials used for magnesium oxide production are typically magnesite (magnesium carbonate) or magnesium hydroxide. When magnesite is selected as the primary raw material, it is initially extracted from naturally occurring deposits and subsequently subjected to a process of comminution involving crushing and grinding to decrease the ore’s particle size.

Step 2: Calcination

The next step is calcination, where the raw materials are heated at high temperatures. In the case of magnesite, it is heated in a kiln or furnace, typically between 700 to 1000 degrees Celsius. This process drives off carbon dioxide from magnesite (MgCO3), forming magnesium oxide (MgO). The calcination process is essential for the conversion of magnesite into magnesium oxide.

Step 3: Cooling and Crushing

After calcination, the resulting material is cooled to room temperature. The cooled material is then crushed into smaller particles, either mechanically or through milling processes, to achieve the desired particle size for the magnesium oxide powder.

Step 4: Purification

The crushed magnesium oxide may be purified depending on the desired purity level. It may involve the removal of impurities through techniques such as filtration, magnetic separation, or chemical treatments.

Step 5: Grinding and Finishing

The crushed and purified magnesium oxide particles are further processed through grinding and milling to refine the particle size and improve the powder’s consistency. This step ensures uniformity and enhances the powder’s suitability for various applications.

Step 6: Quality Control

Quality control measures are systematically incorporated into the manufacturing process to guarantee that the ultimate magnesium oxide powder product conforms to the specified requirements. Testing methods may include chemical analysis, particle size distribution analysis, and physical property assessments.

Step 7: Packaging and Distribution

Once the magnesium oxide powder has undergone quality control checks, it is packaged in suitable containers, such as bags or drums, for storage and distribution. Proper labeling and documentation are typically provided to indicate product specifications, batch numbers, and safety information.

Here is the flow chart of magnesium oxide production below.

magnesium oxide powder manufacturing process

More Information

What is Magnesium Oxide good for?

  1. Magnesium oxide is commonly used as a dietary supplement to provide magnesium, an essential mineral for numerous bodily functions. It supports bone health, nerve function, muscle contraction, and energy production. It may also help alleviate symptoms associated with magnesium deficiency.
  2. Due to its alkaline nature, magnesium oxide is used as an antacid to neutralize excess stomach acid. It can relieve conditions like acid indigestion, heartburn, and sour stomach. It works by reducing the acidity in the stomach, helping to alleviate discomfort.
  3. Magnesium oxide possesses laxative properties and is occasionally employed to alleviate sporadic constipation. The action mechanism involves water absorption into the intestines, softening fecal matter, and facilitating gastrointestinal motility.
  4. Magnesium oxide is used as a supplement in animal feed to meet the dietary requirements of livestock. It supports proper bone development, nerve function, enzyme activity, and overall animal health.
  5. It can be used to adjust pH levels in water treatment processes. It helps raise the pH of acidic water and acts as a buffering agent to maintain optimal water chemistry in swimming pools and wastewater treatment applications.
  6. It produces ceramics and glass. It is a component in ceramic glazes, providing properties such as opacity, coloration, and stability. In glassmaking, it enhances durability and resistance to heat.

Who is the top Magnesium Oxide supplier?

Nutri Avenue is a professional Magnesium Oxide supplier in the supplement ingredients industry. It is tested by 3rd-party, and certified by Halal, Kosher, GMP, etc. Welcome to get a free quote.

FAQs

Magnesium oxide can occur naturally as the mineral periclase and is also obtained from natural sources such as magnesite and seawater.

Magnesium oxide is generally considered safe as a dietary supplement when taken in appropriate doses. However, it may have a laxative effect in higher doses and may not be well absorbed by some individuals.

Magnesium oxide can be formulated and available as a supplement or medication for specific purposes. However, it is more commonly found in solid forms such as tablets or capsules.

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