Strontium lanthanum aluminate
Strontium lanthanum aluminate (CAS: 12251-73-9) is a sophisticated inorganic compound with the linear formula SrLaAlO₄. It possesses a molecular weight of 317.50 g/mol. This material is primarily recognised for its dielectric properties and is utilised in advanced materials science, electronic applications, and as a substrate in crystalline growth. Its specific properties make it valuable for research and development in specialized fields.
- IUPAC
- Strontium lanthanum aluminum oxide

Substrate for Electronic Materials
Strontium lanthanum aluminate serves as a high-quality single crystal substrate, particularly for thin-film deposition in micro- and nanoelectronics. Its crystallographic orientation, such as <001>, is crucial for epitaxial growth in organic and printed electronics.
Catalysis and Chemical Synthesis
As a component in catalysis, this aluminate may be investigated for its chemical properties in various synthesis routes. Its structure and elemental composition lend themselves to research in inorganic chemistry.
Materials Science Research
With a high melting point of 1650 °C and a density of 5.92 g/mL, Strontium lanthanum aluminate is a material of interest for high-temperature applications and advanced materials research. Its dielectric constant of 16.8 is also a notable characteristic.
| Molecular weight | 317.50 |
|---|---|
| Linear formula | SrLaAlO4 |
| Assay | 99.99% trace metals basis |
| Density | 5.92 g/mL at 25 °C(lit.) |
| Melting point | 1650 °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.
| Description | single side polished |
|---|---|
| Dielectric Constant | 16.8 |
| Size | 10 mm × 10 mm × 0.5 mm |
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 Strontium lanthanum aluminate used for?
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Strontium lanthanum aluminate is primarily used as a single crystal substrate in electronic materials research, particularly for micro/nanoelectronics and organic/printed electronics. It is also relevant in catalysis, chemical synthesis, and general materials science due to its specific physical and chemical properties.
What is the CAS number and formula for Strontium lanthanum aluminate?
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The CAS number for Strontium lanthanum aluminate is 12251-73-9, and its linear formula is SrLaAlO₄.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Strontium lanthanum aluminate with an assay of 99.99% trace metals basis. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for Strontium lanthanum aluminate?
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When handling Strontium lanthanum aluminate, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The material is classified under WGK 2 in Germany, indicating it is hazardous to water.
How is Strontium lanthanum aluminate packed and shipped?
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Strontium lanthanum aluminate is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a sample or quote for Strontium lanthanum aluminate?
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To request a sample or a quote for Strontium lanthanum aluminate, please contact the Tech Serve Solutions sales team through our website or by phone.
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