Chlorotriethylgermane
Chlorotriethylgermane (CAS: 994-28-5), with the formula (C2H5)3GeCl and a molecular weight of 195.28 g/mol, is an organogermanium compound. This reagent serves as a valuable building block in various chemical syntheses, particularly in organometallic chemistry. Its applications leverage its unique germanium-carbon bonding for the introduction of triethylgermyl groups into diverse molecular frameworks.
- IUPAC
- Triethylgermanium chloride
- Synonyms
- Triethylgermanium chloride

Organometallic Synthesis
Chlorotriethylgermane is employed as a precursor in the synthesis of more complex organogermanium compounds. It facilitates the formation of germanium-carbon bonds, essential for creating novel materials and catalysts.
Chemical Research
This compound is utilised in academic and industrial research laboratories for exploring new reaction pathways and developing advanced synthetic methodologies involving germanium. Its reactivity allows for versatile functionalization.
Material Science
The incorporation of germanium into organic structures can impart unique electronic and optical properties. Chlorotriethylgermane acts as a reagent for synthesising germanium-containing polymers or small molecules for material applications.
| Molecular weight | 195.28 |
|---|---|
| Linear formula | (C2H5)3GeCl |
| Assay | 96% |
| Boiling point | 173 °C(lit.) |
| Density | 1.175 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.459(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H319Causes serious eye irritation
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36 |
| Safety statements (S) | 26-36/37/39 |
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 Chlorotriethylgermane used for?
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Chlorotriethylgermane is primarily used as a reagent in chemical synthesis, particularly in organometallic chemistry and material science for introducing triethylgermyl groups.
What is the CAS number and formula for Chlorotriethylgermane?
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The CAS number for Chlorotriethylgermane is 994-28-5, and its linear formula is (C2H5)3GeCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chlorotriethylgermane with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
How should Chlorotriethylgermane be handled safely?
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Chlorotriethylgermane is harmful if swallowed, in contact with skin, or if inhaled, and causes serious eye irritation. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area.
Is Chlorotriethylgermane a controlled substance?
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The provided data does not indicate that Chlorotriethylgermane is a controlled substance.
How is Chlorotriethylgermane packaged and shipped?
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Chlorotriethylgermane is shipped as UN 3265, Class 8, Packing Group III. TSS ensures compliant packaging and export procedures for this chemical.
How can I request a sample or quote for Chlorotriethylgermane?
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To request a sample or a quotation for Chlorotriethylgermane, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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