Iron(III) arsenide
Iron(III) arsenide (CAS: 12044-16-5), with the linear formula FeAs, is a chemical compound with a molecular weight of 130.77 g/mol. It is supplied by Tech Serve Solutions at a purity of 99.5% on a trace metals basis. This compound finds applications in areas such as catalysis, inorganic chemistry, and materials science, contributing to advancements in these scientific fields.

Catalysis and Inorganic Chemistry
Iron(III) arsenide serves as a component in catalytic processes and inorganic chemical synthesis. Its properties make it a subject of study for developing new chemical reactions and understanding inorganic compound behaviour.
Materials Science
This compound is utilised in materials science research, particularly in the development of advanced materials. Its composition and structure are relevant for exploring novel material properties and applications.
Ceramics
Iron(III) arsenide can be applied in ceramic formulations. It contributes to the properties of specific ceramic materials, influencing their performance in various technological applications.
| Molecular weight | 130.77 |
|---|---|
| Linear formula | FeAs |
| Assay | 99.5% trace metals basis |
| Density | 7.83 g/cm3 at 25 °C |
| Melting point | 1020 °C |


Hazard statements
- H301Toxic if swallowed
- H331Toxic if inhaled
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1557 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-50/53 |
| Safety statements (S) | 20/21-28-45-60-61 |
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 Iron(III) arsenide used for?
+
Iron(III) arsenide is utilised in catalysis, inorganic chemistry, materials science, and ceramics research and development.
What is the CAS number and formula for Iron(III) arsenide?
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The CAS number is 12044-16-5 and the linear formula is FeAs.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Iron(III) arsenide at 99.5% purity on a trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Iron(III) arsenide be handled safely?
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Iron(III) arsenide is acutely toxic if swallowed or inhaled and very toxic to aquatic life with long-lasting effects. Handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, faceshields, gloves, and a type P2 respirator cartridge. Ensure adequate ventilation and avoid release into the environment.
How is Iron(III) arsenide packed and shipped?
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Iron(III) arsenide is classified under UN 1557, Hazard Class 6.1, Packing Group III. TSS ensures compliant packaging and shipping procedures for this hazardous material, adhering to international export regulations.
How can I request a sample or quote for Iron(III) arsenide?
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To request a sample or quote for Iron(III) arsenide, please contact our sales team through the TSS website or via direct inquiry, providing your specific requirements.
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