Magnesium Oxide 96% Heavy

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Price: £11.62

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Stock Availability

On Shelf - Approx. UK delivery date: Friday the 29th August 2025*

In bulk stock - ships within 10 - 15 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

Applications

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

General

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.

Specification

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%

Hazards

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 1309-48-4

Einecs No: 215-171-9

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Code	Pack	Price
GPC5193-2X	250g	£11.62
GPC5193-5X	500g	£18.85
GPC5193-Y	1Kg	£27.59
GPC5193-5Y	5Kg	£116.36
GPC5193-25Y	25Kg	£522.65

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