Iron(II) iodide
Iron(II) iodide (CAS: 7783-86-0, FeI2) is an inorganic compound with a molecular weight of 309.65 g/mol. Supplied as anhydrous beads, it offers a high purity of ≥99.99% on a trace metals basis. This compound is soluble in water, ethanol, and diethyl ether. Iron(II) iodide is primarily utilised in chemical research and as a precursor in various synthesis applications, contributing to advancements in materials science and inorganic chemistry.
- IUPAC
- Ferrous iodide

Chemical Synthesis
Iron(II) iodide serves as a reagent and intermediate in the synthesis of various iron-containing compounds and organometallic complexes. Its reactivity is valuable for introducing iron into organic frameworks or for creating specific inorganic materials.
Materials Science Research
This compound can be employed in research settings for the development of novel materials. Its properties may be explored for applications in areas such as catalysis, magnetic materials, or as a component in advanced inorganic systems.
Laboratory Reagent
As a well-characterised inorganic salt, Iron(II) iodide is suitable for use as a standard reagent in academic and industrial laboratories for a range of chemical investigations and analytical procedures.
| Molecular weight | 309.65 |
|---|---|
| Empirical formula | FeI2 |
| Assay | ≥99.99% trace metals basis |
| Grade | anhydrous |
| Form | beads |
| Density | 5.32 g/mL at 25 °C(lit.) |
| Solubility | H2O: soluble(lit.)diethyl ether: soluble(lit.)ethanol: soluble(lit.) |
| Particle size | −10 mesh |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H360May damage fertility or the unborn child
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 61-20/21/22-36/37/38 |
| Safety statements (S) | 22-26-36/37/39-45 |
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(II) iodide used for?
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Iron(II) iodide (FeI2) is primarily used in chemical research and as a precursor in various synthesis applications, contributing to advancements in materials science and inorganic chemistry.
What are the CAS number and formula for Iron(II) iodide?
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The CAS number for Iron(II) iodide is 7783-86-0 and its chemical formula is FeI2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Iron(II) iodide as anhydrous beads with a purity of ≥99.99% on a trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Iron(II) iodide be handled safely?
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Iron(II) iodide is a Danger substance (GHS07, GHS08) that can cause harm if swallowed, inhaled, or in contact with skin (H302 + H312 + H332). It also causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335), and is suspected of damaging fertility or the unborn child (H360). Appropriate personal protective equipment, including eyeshields and suitable gloves and respiratory protection (e.g., N100 or P3 filter cartridges), must be used. Handle in a well-ventilated area and seek immediate medical attention if exposed.
How is Iron(II) iodide packed and shipped?
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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all relevant shipping regulations to ensure safe and secure delivery.
How can I request a quote or sample for Iron(II) iodide?
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Please contact our sales team via the website or by phone to request a quotation or a sample of Iron(II) iodide.
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