Iron arsenide
Iron arsenide (CAS: 12005-88-8), with the empirical formula AsFe₂, has a molecular weight of 186.61 g/mol. This compound is classified as an arsenide and finds utility within materials science and ceramics research. It is supplied by Tech Serve Solutions at a minimum purity of 99.5% on a trace metals basis, suitable for laboratory and research applications.

Materials Science Research
Iron arsenide serves as a compound of interest in materials science for the exploration of novel material properties and potential applications. Its unique composition allows for investigation into areas such as magnetic and electronic materials.
Ceramics Development
Utilised in the development and study of advanced ceramic materials. Its inclusion can influence the physical and chemical characteristics of ceramic compositions, aiding in the creation of specialized components.
Chemical Synthesis Intermediate
May be employed as a precursor or intermediate in the synthesis of more complex inorganic compounds. Its reactivity and elemental composition make it a valuable component in specific chemical pathways.
| Molecular weight | 186.61 |
|---|---|
| Empirical formula | AsFe2 |
| Assay | 99.5% trace metals basis |
| Form | pieces |
| Melting point | >400 °C |


Hazard statements
- H301Toxic if swallowed
- 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
| 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 Arsenide primarily used for?
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Iron arsenide (CAS: 12005-88-8) is primarily used in materials science research and the development of specialized ceramic materials. It can also serve as an intermediate in certain chemical syntheses.
What is the CAS number and empirical formula for Iron Arsenide?
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The CAS number for Iron Arsenide is 12005-88-8, and its empirical formula is AsFe₂.
What grade and purity does Tech Serve Solutions supply for Iron Arsenide?
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Tech Serve Solutions supplies Iron Arsenide with a purity of 99.5% on a trace metals basis. This is a technical grade suitable for research and laboratory use. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should Iron Arsenide be handled, considering its hazards?
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Iron arsenide is classified as Dangerous (Signal Word: Danger) with hazard statements H301 + H331 (Toxic if swallowed or inhaled) and H410 (Very toxic to aquatic life with long-lasting effects). Handle with appropriate personal protective equipment (gloves, eye protection, respiratory protection) in a well-ventilated area. Avoid release to the environment. Refer to the Safety Data Sheet for detailed handling instructions.
Is Iron Arsenide a controlled substance?
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The provided data does not indicate that Iron Arsenide (CAS: 12005-88-8) is a controlled substance. However, due diligence is advised based on regional regulations regarding arsenides.
How is Iron Arsenide packed and shipped globally by TSS?
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Iron Arsenide is shipped according to UN 1557, Hazard Class 6.1, Packing Group III regulations. TSS adheres to all international shipping standards for hazardous materials, ensuring safe and compliant export.
How can I request a quote or sample of Iron Arsenide?
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To request a quote or sample of Iron Arsenide, please contact our sales team through the TSS website or via direct inquiry, providing your contact details and the quantity required.
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