Magnesium Oxide
  • Magnesium-Oxide

Magnesium Oxide



Magnesium oxide, often referred to as magnesia, is a chemical compound with the chemical formula MgO. It is a white, odorless powder with a wide range of applications in various industries. Here's an introduction to this product:

Chemical Composition:

  • Magnesium oxide is composed of two elements: magnesium (Mg) and oxygen (O). Its molecular formula is MgO.

Physical Properties:

  • Appearance:White, fine powder.
  • Density:Magnesium oxide has a density of approximately 3.58 g/cm³, making it a dense and heavy material.
  • Melting Point:It has a high melting point of around 2,800°C (5,072°F).
  • Solubility:It is sparingly soluble in water but more soluble in acids.

No.Test parameterSpecificationResultJudge result
TexturePowder and no visible purityPowder and no visible purityVisual colorimetric
2Magnesium Oxide,W%96-100.599.5Qualified
3IdentificationAccording to FCCConformsQualified
4Free Alkali and Soluble
5Calcium Oxide,W%≤1.50.6Qualified
7Acid Insolubles,W%≤0.10.03Qualified
10Lead ,ppm≤10<1.0Qualified
11Loss on Ignition,W %≤100.8Qualified
12Heavry Metal(as Pb),ppm≤20.0<10.0Qualified
13Bulk Density,g/㎝。>0.350.76Qualified
14Size,--D50 200meshQualified
15Whiteness %>9598Qualified
16Total Plate Count≤1000cfu<100cfuQualified
17Yeast and Moulds≤100cfu<10cfuQualified
18E.Coli                cfu/gAbsentAbsentQualified
19Listeria monocytogenes in25gAbsentAbsentQualified
20Staphylococcus aureus in 1gAbsentAbsentQualified
21Salmonella in 25gAbsentAbsentQualified
Test resultInspection base on FCCV

Functions and Applications

  1. 1:Refractories:One of the primary applications of magnesium oxide is in the production of refractory materials. It is used to manufacture refractory bricks, crucibles, and other high-temperature materials due to its resistance to extreme heat.

  2. 2:Magnesium Metal Production:Magnesium oxide is a key component in the production of magnesium metal. It is used as a raw material in the magnesium smelting process, where it is reduced to produce metallic magnesium.

  3. 3:Agriculture:It is used as a source of magnesium in fertilizers to correct magnesium deficiencies in soil, which can improve plant growth and crop yields.

  4. 4:Construction:Magnesium oxide is sometimes used as a construction material in the form of magnesium oxide boards or panels. These panels are lightweight, fire-resistant, and have good insulation properties.

  5. 5:Medical and Pharmaceutical:In the medical and pharmaceutical industries, magnesium oxide is used as an antacid to relieve symptoms of heartburn, acid indigestion, and upset stomach. It works by neutralizing excess stomach acid.

  6. 6:Environmental Remediation:It is used in environmental remediation processes to treat acidic soil and water, neutralizing harmful acidic substances.

  7. 7:Industrial Catalyst:Magnesium oxide is employed as a catalyst in various chemical reactions, particularly in the production of petrochemicals and biodiesel.

  8. 8:Wastewater Treatment:It is used to adjust the pH levels and remove impurities in wastewater treatment processes.

Handling Precautions:

  • Magnesium oxide is generally considered safe to handle, but inhalation of fine dust should be avoided. Adequate ventilation and appropriate personal protective equipment, such as dust masks and safety goggles, should be used when handling fine powders.

Packing and Storage:

  • Magnesium oxide is typically available in bags or bulk containers. It should be stored in a dry place away from moisture to prevent clumping.

Regulatory Compliance:

  • Ensure that magnesium oxide meets the relevant quality and safety standards depending on its intended application. In pharmaceutical applications, it must comply with pharmaceutical-grade requirements.

Supplier Information:

  • Source magnesium oxide from reputable suppliers to ensure product quality and consistency, especially when used in critical applications.

The specific properties and uses of magnesium oxide may vary depending on the manufacturer and intended application. Always refer to the product's technical data sheet and consult with experts when using it in specialized applications.

Have Questions about Food Additives?

Our professional sales team are waiting for your consultation.

Copyright © Arshine Food Additives Co., Ltd. All Rights Reserved


  • *Name:

  • Business Phone:

  • *E-mail:

  • Company:

  • Country:

  • *More Specifics: