Diethylisopropylsilane
Diethylisopropylsilane (CAS 18395-55-6) is an organosilicon compound with the linear formula (CH3)2CHSi(C2H5)2H and a molecular weight of 130.30 g/mol. This flammable liquid serves as a valuable reagent in chemical synthesis, particularly within organometallic and organosilicon chemistry. Its specific properties make it useful for various research and development applications where silicon-based functionalities are required.

Organosilicon Synthesis
Diethylisopropylsilane acts as a building block in the synthesis of more complex organosilicon compounds. It can be used to introduce specific silicon-containing functional groups into organic molecules.
Reagent in Organic Chemistry
This compound is employed as a reagent in various organic transformations. Its reactivity allows for its use in specialized synthetic routes requiring organosilane intermediates.
Research and Development
Diethylisopropylsilane is utilized in research laboratories for exploring new chemical reactions and developing novel materials. Its availability supports academic and industrial R&D efforts.
| Molecular weight | 130.30 |
|---|---|
| Linear formula | (CH3)2CHSi(C2H5)2H |
| Assay | 97% |
| Boiling point | 128 °C(lit.) |
| Density | 0.743 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.419(lit.) |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -2 °C / 28.4 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16-33 |
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 Diethylisopropylsilane used for?
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Diethylisopropylsilane (CAS 18395-55-6) is primarily used as a reagent in chemical synthesis, especially within the fields of organometallic and organosilicon chemistry, and for research and development purposes.
What are the CAS number and formula for Diethylisopropylsilane?
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The CAS number for Diethylisopropylsilane is 18395-55-6, and its linear formula is (CH3)2CHSi(C2H5)2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethylisopropylsilane with an assay of 97%. We do not represent this product as meeting USP, BP, EP, or any pharmacopoeia standards.
How should Diethylisopropylsilane be handled safely?
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Diethylisopropylsilane is a highly flammable liquid and vapour (H225). Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources.
How is Diethylisopropylsilane packed, shipped, and exported?
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Diethylisopropylsilane is typically packed according to regulatory requirements for flammable liquids. Tech Serve Solutions, established in 1998, is an experienced global supplier and exporter of fine chemicals.
How can I request a quote or sample of Diethylisopropylsilane?
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To request a quote or sample of Diethylisopropylsilane, please contact our sales team through the website or by phone. Our specialists will assist you with your inquiry.
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