Magnesium aluminate, spinel
Magnesium aluminate spinel (CAS: 12068-51-8) is a high-performance ceramic material with the empirical formula MgO·Al₂O₃ and a molecular weight of 142.27 g/mol. Known for its exceptional hardness, thermal stability, and refractory properties, spinel is utilized in demanding applications. It serves as a key component in advanced ceramics, refractory materials, and specialized optical components.
- IUPAC
- Magnesium aluminate
- Synonyms
- MgO·Al2O3
Advanced Ceramics
Magnesium aluminate spinel is used in the production of high-strength, high-temperature ceramics for refractory linings, kiln furniture, and structural components. Its excellent thermal shock resistance makes it suitable for extreme environments.
Refractory Materials
Due to its high melting point and chemical inertness, spinel finds application in refractory bricks, crucibles, and coatings for high-temperature industrial processes, offering superior durability over traditional refractories.
Optical Components
Spinel's transparency in a wide spectral range and its mechanical hardness make it a valuable material for optical windows, lenses, and protective coatings in specialized optical systems.
Catalysis and Hosts
As a stable oxide ceramic, magnesium aluminate spinel can act as a catalyst support or host material in various chemical synthesis applications requiring high thermal and chemical stability.
| Molecular weight | 142.27 |
|---|---|
| Linear formula | MgO·Al2O3 |
| Assay | 99.99% trace metals basis |
| Form | nanopowder |
| Density | 3.64 g/mL at 25 °C(lit.) |
| Particle size | <50 nm (BET) |
| Melting point | 2130 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Surface Area | >30 m2/g |
|---|---|
| Size | 10 mm × 10 mm × 0.5 mm |
| Hardness | 6 mohs |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Magnesium aluminate spinel used for?
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Magnesium aluminate spinel is primarily used in advanced ceramics, refractory materials, optical components, and as a host material in catalysis due to its exceptional hardness, thermal stability, and chemical inertness.
What is the CAS number and formula for Magnesium aluminate spinel?
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The CAS number for Magnesium aluminate spinel is 12068-51-8, and its empirical formula is MgO·Al₂O₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Magnesium aluminate spinel with an assay of 99.99% trace metals basis. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions when handling Magnesium aluminate spinel?
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When handling Magnesium aluminate spinel, it is recommended to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used for respiratory protection, as indicated by its WGK Germany classification of 3.
Is Magnesium aluminate spinel available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Magnesium aluminate spinel.
How can I request a sample or quote for Magnesium aluminate spinel?
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To request a sample or a quote for Magnesium aluminate spinel, please contact our sales team through the provided channels on our website.
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