Strontium ferrite

CAS 12023-91-5SrFe12O19Metal & Ceramic Science

Strontium ferrite (CAS: 12023-91-5) is a magnetic ceramic material with the linear formula SrFe₁₂O₁₉ and a molecular weight of 1061.75 g/mol. Supplied as a powder with an assay of 99.5% and a particle size of -325 mesh, it is known for its ferrimagnetic properties. This compound finds applications in the development of permanent magnets and magnetic recording media, contributing to advancements in materials science and electronics.

Email us

Strontium ferrite (SrFe12O19) — chemical structure, CAS 12023-91-5; Materials Science, fine chemical supplied by Tech Serve Solutions

26: FeCeramicsCeramics by ElementFerritesIronMagnetic MaterialsMagnetic PrecursorsMaterials ScienceMetal and Ceramic ScienceStrontium More...

01 /Applications

Permanent Magnets

Strontium ferrite is a key component in the manufacturing of permanent magnets, particularly for applications requiring good coercivity and stability. These magnets are widely used in electric motors, loudspeakers, and magnetic separators.

Magnetic Recording Media

Its magnetic properties make strontium ferrite suitable for use in magnetic recording media, such as hard drives and magnetic stripes on credit cards. It enables the storage and retrieval of digital information.

Microwave Absorption

The material exhibits microwave absorption properties, making it a candidate for applications in radar-absorbing materials and electromagnetic interference (EMI) shielding. This can help reduce unwanted electromagnetic radiation.

Ceramics and Materials Science

As a specialized ceramic material, strontium ferrite is utilised in research and development within materials science. It serves as a precursor and a subject of study for new ceramic composites and magnetic applications.

02 /Properties

Molecular weight	1061.75
Linear formula	SrFe12O19
Assay	99.5%
Form	powder
Density	5.18 g/mL at 25 °C(lit.)
Particle size	−325 mesh
Melting point	>450 °C(lit.)

03 /Safety & handling

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
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.

04 /Identifiers & registry

CAS number

12023-91-5

MDL number

MFCD00075632

05 /Quality & supply

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.

06 /Frequently asked questions

What is Strontium Ferrite used for?

Strontium ferrite (CAS: 12023-91-5) is primarily used in the manufacturing of permanent magnets, magnetic recording media, and as a component in microwave absorption materials. It is also employed in materials science research.

What is the CAS number and formula for Strontium Ferrite?

The CAS number for Strontium Ferrite is 12023-91-5, and its linear formula is SrFe₁₂O₁₉.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Strontium Ferrite with an assay of 99.5%. This product is typically considered a technical or research grade; TSS does not represent it as USP, BP, or EP grade.

What are the safety and handling precautions for Strontium Ferrite?

When handling Strontium Ferrite powder, it is recommended to wear a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation to avoid dust inhalation. The material has a high melting point (>450 °C lit.) and is classified under WGK Germany 3.

How is Strontium Ferrite packed and shipped?

Strontium Ferrite is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions. Specific packaging details can be confirmed upon request.

How can I request a quote or sample for Strontium Ferrite?

To request a quote or a sample of Strontium Ferrite, please contact our sales team through the TSS website or by phone, providing your specific requirements.