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We can only ship non-hazardous products to Rest of World

Magnesium Oxide 96% Heavy

Price: £11.62
Stock Availability:

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Stock Availability
On Shelf - Approx. UK delivery date: Wednesday the 17th September 2025*
In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)
4 to 6 weeks approx. (Not guaranteed)
UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed
  • One of the components used to make cement
  • Used by libraries for preserving books
  • Used in medicine to relief heartburn and sour stomach
  • Insulator in industrial cables
  • Component of tubular construction heating elements
  • Used as a protective coating in plasma displays

What is Magnesium Oxide? Also known by alternate names such as Calcined Magnesia, and Dead Burned Magnesia, is a white powder compound that is widely used in industrial, agricultural, and chemical applications. Chemical formula is MgO

Consistent Quality: We use only carefully sourced Magnesium Oxide, ensuring reliable and consistent performance for various industrial, agricultural, and chemical applications.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers, ensuring safe handling and maintaining the product’s quality during transport.

Frequent Uses

Metallurgical Applications
Employed in the production of steel, where it serves as a refractory material. It is used to line furnaces and kilns due to its ability to withstand extreme temperatures. The high purity of this product makes it ideal for use in the production of non-ferrous metals and for desulphurisation processes in the steel industry.

Environmental Management
Used to neutralise acidic water and to treat industrial effluents, helping to reduce the environmental impact of pollutants. It is also used in the treatment of wastewater and as a stabiliser for hazardous waste materials.

  • Minimum Assay: >96%
  • Molecular Formula: MgO
  • Molecula Formula: 40.30
  • Solubility in water (% weight): Insoluble in water
  • Melting Point: 2852°C
  • Boiling Point: 3600°C
  • Refractive Index: 1.736
  • Substance insoluble in acetic acid: <0.1%
  • Substance soluble in water: <1.8%
  • Chloride (Cl): 0.04%
  • Sulphate (SO4): 0.003%
  • Heavy metals (as Pb): 0.000036%
  • Calcium (Ca): 0.748%
  • Iron (Fe): 0.0006%
  • Arsenic (As): <0.0004%
  • Loss on ignition @ 990 C: 8.0%

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 1309-48-4
Einecs No: 215-171-9

Payment Methods

We can also accept a bank transfer (UK Only)

Source Chemicals Ltd