CAS 1309-48-4
Magnesium Oxide 90% Industrial Grade
CAS 1309-48-4MgO~40.30 g/mol
Magnesium Oxide, with a CAS number of 1309-48-4, is primarily used in agriculture for soil amendment and as an animal feed supplement. Offering 90% purity as a white powder, this industrial-grade MgO performs essential roles across various sectors. Its high thermal stability makes it suitable for refractory applications in steel and glass manufacturing, whereas in environmental management, it aids in wastewater treatment and air emissions control. Key buyers in Kenya are diverse, ranging from agriculture to industrial manufacturing, reflecting the product's multi-sectoral utility.
Main applicationAgriculture — soil amendment and animal feed supplement
Magnesium Oxide is significant for its role in improving soil quality in agriculture and enhancing the performance of refractory materials under high temperatures. Its ability to neutralize pollutants in waste and emissions underscores its importance in environmental applications. The consistent demand from diverse industries in Kenya showcases its versatility and necessity in industrial processes.
Also known as
- Magnesium Oxide
- MgO
- Magnesia

Trade pricing
Quoted per enquiry
Pricing depends on volume, grade and delivery point. Our desk responds within two working hours.
Available packaging
- Available in 50 kg bags.
Documentation
Batch-specific COA issued with every consignment.
Technical specifications
- CAS number
- 1309-48-4
- Chemical formula
- MgO
- Molecular weight
- ~40.30 g/mol
- Grade
- Industrial grade
- Purity
- 90
- Appearance
- White crystalline powder
- Density
- 3.6 g/cm³
- Concentration
- 90 %
This Magnesium Oxide (MgO) is supplied as a 90% purity white crystalline powder. With a molecular formula of MgO and a molecular weight of approximately 40.30 g/mol, it exhibits a density of approximately 3.6 g/cm³. Its thermal properties, including a melting point of around 2850 °C and a boiling point near 3600 °C, make it ideal for high-temperature environments. A primary factor for buyers is its grade and purity, suitable for industrial applications. When ordering, specifying the 90% purity and desired quantities will ensure compatibility with end-use requirements, especially in agriculture and refractories.
Delivery
Magnesium Oxide 90% Industrial Grade is dispatched from our Nairobi warehouse across Kenya, and export delivery is arranged to the wider East African market. Lead time depends on quantity and grade and is confirmed with your quotation — see delivery and collection for the towns we reach and how dispatch works.
Applications & uses
- Agriculture — soil amendment and animal feed supplement
- Refractories — high-temperature linings for steel and glass furnaces
- Environmental treatment — wastewater neutralization and flue gas treatment
- Metallurgical binding — fluxing agent in briquette production
Industries we supply this to
Why buy this from Sparks
- High thermal stability — ideal for refractory applications
- Effective pH control — useful in neutralizing industrial wastewater
- Versatile agricultural use — replenishes magnesium in soil
- Supports animal health — prevents hypomagnesia in livestock
- Flexible packaging — conveniently supplied in manageable 50 kg bags
Quality assurance
- Batches are checked against the specification values listed above before dispatch.
State what your process, auditor or customs clearance requires when you request a quotation, and it is confirmed with the quote.
Safety, handling & storage
Always consult the full Safety Data Sheet before handling. Personnel must use appropriate PPE and follow local regulations for storage, transport and disposal.
Frequently asked questions
What is the CAS number of Magnesium Oxide 90% Industrial Grade?
The CAS registry number for Magnesium Oxide 90% Industrial Grade is 1309-48-4. Its chemical formula is MgO, with a molecular weight of ~40.30 g/mol. Quote this number when requesting a quotation or checking documentation, as it identifies the substance unambiguously regardless of the trade name used.
What are the other names for Magnesium Oxide 90% Industrial Grade?
Magnesium Oxide 90% Industrial Grade is also referred to as Magnesium Oxide, MgO and Magnesia. These names describe the same substance, so a specification or enquiry written against any of them can be matched to this product.
What grade of Magnesium Oxide 90% Industrial Grade is supplied?
Magnesium Oxide 90% Industrial Grade is supplied as Industrial grade. State the grade your process requires when requesting a quotation — where an alternative grade can be sourced, it is confirmed at quotation stage rather than assumed.
What concentration is Magnesium Oxide 90% Industrial Grade supplied at?
Magnesium Oxide 90% Industrial Grade is supplied at a concentration of 90%. Concentration and assay are separate figures: the concentration describes the strength of the material as supplied, and the certificate of analysis issued for your consignment carries the measured values for that batch.
What is the purity of Magnesium Oxide 90% Industrial Grade?
The purity/assay figure recorded for Magnesium Oxide 90% Industrial Grade is 90. Figures are typical values for the grade supplied; the certificate of analysis for your specific batch is the authoritative record and can be provided on request.
What does Magnesium Oxide 90% Industrial Grade look like?
Magnesium Oxide 90% Industrial Grade is described as white crystalline powder. Appearance is a useful first check on receipt of goods, though it does not replace the certificate of analysis for confirming that the material meets specification.
What is Magnesium Oxide 90% Industrial Grade used for?
Common applications include agriculture — soil amendment and animal feed supplement, refractories — high-temperature linings for steel and glass furnaces, environmental treatment — wastewater neutralization and flue gas treatment and metallurgical binding — fluxing agent in briquette production. The suitability of the product for a particular process depends on the grade and specification required, which is worth confirming against your own process conditions.
Which industries use Magnesium Oxide 90% Industrial Grade?
Magnesium Oxide 90% Industrial Grade is supplied to the Water Treatment, Food Processing & Beverage, Agriculture & Agrochemicals, Mining & Minerals, Construction & Admixtures, Pharmaceuticals & Healthcare, Cosmetics & Personal Care, Cleaning & Detergents, Paints, Coatings & Inks, Textile & Leather Tanning, Oil, Gas & Energy and Laboratories & Research sectors. These are the industries this product is listed against in our catalogue; if your application falls outside them, we can advise on suitability before you order.
What packaging is Magnesium Oxide 90% Industrial Grade available in?
Available in 50 kg bags. Where a different pack size or bulk delivery is required, it is confirmed at quotation stage against availability rather than listed here as standard.
What is the HS code for Magnesium Oxide 90% Industrial Grade?
Magnesium Oxide 90% Industrial Grade is recorded against the EC number 215-171-9 and the HS customs code 2519909100. Quote this on customs and export paperwork; it is confirmed again on the commercial invoice for your specific consignment.
References
Technical information on this page was compiled from the following published sources. Safety and handling data always comes from the supplier’s own safety data sheet.
- 1.magnesium oxidewebbook.nist.gov
- 2.Magnesium Oxide | MgO | CID 14792 - PubChempubchem.ncbi.nlm.nih.gov
- 3.Magnesium oxideen.wikipedia.org
- 4.Supply High Quality Magnesium Oxide Wholesale Factory - Shandong Mingxing Chemical Co., Ltdmingxinghuaxue.com
- 5.Buy MAGNESIUM OXIDE Kenya | Kivi Chemicalskivichemicals.com
- 6.Microsoft Word - final MSc thesis _submitted_ 26-07-2007.docir.unisa.ac.za
- 7.Chemisco's Metallurgical Fines Binder: A Turnkey Solution | Brett Freeman posted on the topic | LinkedInlinkedin.com
- 8.Sciencemadness Discussion Board - Magnesium Oxide as a additive to furnace reractory - purity needed? - Powered by XMB 1.9.11sciencemadness.org
- 9.Need Helpreddit.com
- 10.Characteristics of Magnesium Oxide Powderreddit.com
- 11.Connect with Verified Magnesium, Oxide Buyers in Kenya | Volzavolza.com
- 12.Magnesium Oxide Buyers & Importers in Africa | go4WorldBusiness.comgo4worldbusiness.com
- 13.Kenya Magnesium Oxide Market (2022 - 2028) | Trends, Outlook & Forecast6wresearch.com
- 14.Middle East and Africa Industrial Grade MgO Magnesium Oxide Market CAGR 2026-2033 | AI, Drivers & Segmentslinkedin.com
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