Trimethylgermanium iodide
Trimethylgermanium iodide (CAS 1066-38-2) is an organogermanium compound with the molecular formula (CH3)3GeI and a molecular weight of 244.65 g/mol. This reagent is primarily utilised in chemical synthesis, serving as a valuable precursor in the field of organogermanium chemistry and organometallic reagents. Its specific reactivity profile makes it a useful component in various synthetic pathways.

Organogermanium Synthesis
Trimethylgermanium iodide acts as a key building block in the synthesis of more complex organogermanium compounds. It allows for the introduction of the trimethylgermyl group into various organic molecules through well-established synthetic methodologies.
Organometallic Reagent
As an organometallic reagent, it participates in reactions crucial for creating novel materials and compounds. Its applications span research and development in inorganic and materials science.
Precursor in Materials Science
This compound can serve as a precursor for developing germanium-containing materials with tailored electronic or optical properties. Its controlled reactivity is essential for precise material fabrication.
| Molecular weight | 244.65 |
|---|---|
| Linear formula | (CH3)3GeI |
| Assay | 98% |
| Boiling point | 134 °C(lit.) |
| Density | 1.815 g/mL at 25 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H332Harmful if inhaled
- H360May damage fertility or the unborn child
Precautionary statements
- P201Obtain special instructions before use
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 61-20/21/22-34 |
| Safety statements (S) | 53-22-26-36/37/39-45 |
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 Trimethylgermanium iodide used for?
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Trimethylgermanium iodide is used in chemical synthesis, particularly as an organogermanium compound and an organometallic reagent for creating novel compounds and materials.
What are the CAS number and formula for Trimethylgermanium iodide?
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The CAS number is 1066-38-2, and its linear formula is (CH3)3GeI.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Trimethylgermanium iodide with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should Trimethylgermanium iodide be handled safely?
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Trimethylgermanium iodide is a Danger hazard (GHS05, GHS07, GHS08) and is corrosive. Handle with appropriate personal protective equipment, including full-face respirators, gloves, and goggles. Ensure adequate ventilation and avoid contact with skin and eyes. Refer to the safety data sheet for comprehensive handling procedures.
Is Trimethylgermanium iodide a controlled substance?
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The provided data does not indicate that Trimethylgermanium iodide is a controlled substance.
How is Trimethylgermanium iodide shipped and exported?
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Trimethylgermanium iodide is classified under UN 3265, Hazard Class 8, Packing Group II. Tech Serve Solutions, a global supplier and exporter since 1998, adheres to all international shipping and export regulations for hazardous materials.
How can I request a quote or sample for Trimethylgermanium iodide?
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To request a quote or sample of Trimethylgermanium iodide, please contact our sales team directly through our website or by telephone.
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