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Magnesium Oxide

  • CAS 1309-48-4
  • Molar weight 40.304g/mol
  • Chemical formula MgO

A principal fireproofing ingredient in construction materials, its high thermal conductivity makes it extremely useful in refractories. It is used extensively in soil and groundwater remediation, wastewater treatment, drinking water treatment, air emissions treatment, and waste treatment industries. One of its principal uses is as a component in dry cement production.

Available in:
  • Bag
  • Big bag
Magnesium Oxide
  • CAS 1309-48-4
  • Chemical formula MgO
  • Molar weight 40.304g/mol

Product details of Magnesium Oxide

  • Feed
  • Food
  • Pharma
  • Technical

  • Granular
  • Powder

  • White powder

Chemical formula


CAS number


Molar weight


Specific Gravity

3.53- 3.58

Melting Point

2,852 °C

Boiling Point

3,600 °C


  • Abrasives
  • Adhesives and sealants
  • Air care products
  • Automotive care products
  • Batteries
  • Building and construction
  • Cement
  • Paints and coatings
  • Personal care

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