Industrial Chemicals
Magnesium Oxide
Magnesium oxide is supplied in light-burned (caustic calcined) and dead-burned (refractory) grades. The reactive light-burned material serves feed, fertiliser, rubber and environmental applications; the high-fired grade serves refractory and cement systems.
Quick facts
- CAS number
- 1309-48-4
- Formula
- MgO
- Appearance
- White to off-white powder or granule
- HS heading
- 2519.90
Customs classification depends on declared use and current regulation. Confirm the applicable code with your customs broker for your shipment.
Specification
Typical technical specification
Indicative values. This table shows typical published figures for this commodity. The controlling specification is the technical data sheet (TDS) and certificate of analysis issued for your order.
| Parameter | Value |
|---|---|
| MgO (light-burned) | 85 – 92% |
| MgO (dead-burned) | ≥ 95% |
| Loss on ignition (light-burned) | ≤ 8% |
| SiO₂ | ≤ 4% |
| CaO | ≤ 2% |
| Fe₂O₃ | ≤ 1% |
| Particle size / mesh | As required — powder to granular |
Grades and forms
Light-burned (caustic calcined)
Feed, fertiliser, chemical, environmental
Dead-burned (refractory)
High-temperature and cement systems
Applications
- Magnesium supplement in animal feed
- Magnesium fertiliser and soil-conditioner raw material
- Refractory brick, ramming and gunning mixes
- Rubber, plastics and adhesive compounds
- Environmental scrubbing / neutralising agent
- Magnesium cement and chemical feedstock
FAQ
Questions importers ask about this product
- What packing options are available for Magnesium Oxide?
- 25 kg PP/PE laminated bag; 50 kg PP/PE laminated bag; 1000 kg / 1200 kg jumbo bag with liner; Optional palletised, shrink-wrapped loads. Private-label printing and buyer-specific shipping marks can be arranged.
- Can you supply Magnesium Oxide to a specific specification?
- Yes. Send the grade, purity and any impurity limits your process requires and we will confirm what we can supply. Indicative specifications for our standard grades are listed on this page; the controlling values are those in the technical data sheet (TDS) issued for your order.
- Which documents are provided with a Magnesium Oxide shipment?
- Commercial invoice, packing list, bill of lading, certificate of analysis for the batch, and the technical data sheet (TDS) and safety data sheet (SDS) for the product. Certificates for specific destinations can be arranged on request.
- What is the minimum order quantity?
- It depends on the specification, packing and destination. Tell us your requirement and target port and we will confirm the minimum quantity we can ship economically.
Enquire about Magnesium Oxide
Grade, purity, packing, quantity and destination port is all we need to quote.