Germanium(II) iodide
Germanium(II) iodide (CAS: 13573-08-5; Formula: GeI2; Molar Mass: 326.45 g/mol) is a solid inorganic compound supplied by Tech Serve Solutions. With a purity of ≥99.9% on a trace metals basis, it is a valuable reagent in chemical synthesis. Its primary documented application is in forming stable ionic adducts with carbenes, making it a specialised chemical for research and development in inorganic chemistry and catalysis.
- IUPAC
- Germanium diiodide

Carbene Adduct Formation
Germanium(II) iodide serves as a reagent for forming stable ionic adducts with carbenes. This property is significant in specialised organic and inorganic synthesis pathways.
Chemical Synthesis Reagent
As a germanium salt, GeI2 finds application in various chemical synthesis processes. Its use is noted in research settings for creating specific chemical structures and materials.
Inorganic Chemistry Research
This compound is utilised in inorganic chemistry research, particularly in the study of germanium compounds and their reactivity. It is supplied for laboratory use.
| Molecular weight | 326.45 |
|---|---|
| Empirical formula | GeI2 |
| Assay | ≥99.9% trace metals basis |
| Form | solid |
| Density | 5.37 g/mL at 25 °C(lit.) |
| Application | Reagent forms stable ionic adducts with carbenes.1 |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3260 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 23-26-27-36/37/39-45 |
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 Germanium(II) iodide used for?
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Germanium(II) iodide is primarily used as a reagent to form stable ionic adducts with carbenes, finding application in chemical synthesis and inorganic chemistry research.
What is the CAS number and formula for Germanium(II) iodide?
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The CAS number for Germanium(II) iodide is 13573-08-5, and its chemical formula is GeI2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Germanium(II) iodide with a purity of ≥99.9% on a trace metals basis. We do not represent this product as USP, BP, or EP grade.
What are the primary safety concerns when handling Germanium(II) iodide?
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Germanium(II) iodide is classified with the GHS05 symbol and carries a Danger signal word due to hazard statement H314, indicating it causes severe skin burns and eye damage. Appropriate personal protective equipment, including eyeshields, face shields, and suitable gloves, must be used. Handle only in well-ventilated areas or with respiratory protection.
How is Germanium(II) iodide packed and shipped?
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Germanium(II) iodide is packed and shipped according to UN 3260 8 / PGII regulations, ensuring safe transportation and compliance with international export standards.
How can I request a quote or sample of Germanium(II) iodide?
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To request a quote or sample of Germanium(II) iodide, please contact our sales team through the website or by phone. Provide your specific requirements and shipping details.
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