Cobalt iron oxide
Cobalt iron oxide (CAS: 12052-28-7), with the empirical formula CoFe2O4 and a molecular weight of 234.62 g/mol, is a critical nanoscale magnetic material. Supplied as a nanopowder with a typical particle size of 30 nm (TEM), this compound exhibits high purity (99% trace metals basis). Its unique magnetic properties make it suitable for advanced applications in areas such as molecular imaging and drug delivery systems.
- IUPAC
- Cobalt diiron tetraoxide,Cobalt ferrate,Cobalt ferrite,Cobalt iron spinel
- Synonyms
- Cobalt diiron tetraoxideCobalt ferrateCobalt ferriteCobalt iron spinel

Molecular Imaging
Cobalt iron oxide's magnetic characteristics enable its use as a contrast agent in molecular imaging techniques, aiding in the visualisation and diagnosis of biological processes at the nanoscale.
Drug Delivery Systems
The magnetic responsiveness of cobalt iron oxide nanoparticles allows for targeted delivery of therapeutic agents. These nanoparticles can be guided to specific sites within the body, enhancing treatment efficacy and reducing systemic side effects.
Magnetic Nanomaterials Research
As a key nanomaterial, cobalt iron oxide is utilised in scientific research for developing novel magnetic applications and exploring advanced material properties. Its defined particle size and purity are crucial for reproducible experimental outcomes.
| Molecular weight | 234.62 |
|---|---|
| Empirical formula | CoFe2O4 |
| Assay | 99% trace metals basis |
| Form | nanopowder |
| Particle size | 30 nm (TEM) |
| Application | Cobalt Iron Oxide is an important nanoscale magnetic material with applications in molecular imaging† and drug delivery1 |

Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Cobalt Iron Oxide used for?
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Cobalt iron oxide (CAS: 12052-28-7) is used as an important nanoscale magnetic material, particularly for applications in molecular imaging and drug delivery systems. It is also used in materials science research.
What are the CAS number and formula for Cobalt Iron Oxide?
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The CAS number for Cobalt Iron Oxide is 12052-28-7. Its empirical formula is CoFe2O4.
What grade and purity does Tech Serve Solutions supply for Cobalt Iron Oxide?
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Tech Serve Solutions supplies Cobalt Iron Oxide with an assay of 99% on a trace metals basis. This product is supplied for research and laboratory use, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should Cobalt Iron Oxide be handled safely?
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Cobalt Iron Oxide is classified as a warning substance. It may cause skin irritation (H315), allergic skin reaction (H317), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including gloves and eye protection, and ensure adequate ventilation. Avoid breathing dust. Refer to the Safety Data Sheet (SDS) for comprehensive handling information.
How is Cobalt Iron Oxide packed, shipped, and exported?
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Cobalt Iron Oxide is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions, a trusted supplier since 1998.
How can I request a quote or sample of Cobalt Iron Oxide?
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To request a quote or sample of Cobalt Iron Oxide, please contact the Tech Serve Solutions sales team through our website or by phone. Our experts are ready to assist you.
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