Dichloroethylsilane
Dichloroethylsilane (CAS: 1789-58-8, C2H6Cl2Si) is a flammable organosilicon compound with a molecular weight of 129.06 g/mol. Possessing a refractive index of n20/D 1.415 and a density of 1.089 g/mL, it serves as a valuable reagent in chemical synthesis. Its primary applications lie in the field of protection and derivatization, particularly for silicon-based chemistry.
- IUPAC
- Ethyldichlorosilane

Chemical Synthesis Intermediate
Dichloroethylsilane functions as a key building block in organic and organometallic synthesis. It can be used to introduce the ethylsilyl group into various molecules.
Protecting Group Chemistry
This compound is employed in the protection and derivatization of functional groups. Its reactivity allows for the temporary modification of molecules during complex synthetic pathways.
Silicon-Based Material Precursor
As a silicon-containing molecule, it may find use in the synthesis of specialised silicon-based materials and polymers, contributing unique properties to the final product.
| Molecular weight | 129.06 |
|---|---|
| Empirical formula | C2H6Cl2Si |
| Assay | ≥98.0% (AT) |
| Density | 1.089 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.415 |




Hazard statements
- H225Highly flammable liquid and vapour
- H260In contact with water releases flammable gases
- H314Causes severe skin burns and eye damage
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P223Do not allow contact with water
- P231Handle under inert gas
- P261Avoid breathing dust, fume, gas or vapours
- P370In case of fire
- P422
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -9 °C / 15.8 °F |
| Transport (UN / ADR) | UN 1183 4.3/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-14/15-34-37 |
| Safety statements (S) | 16-26-36/37/39-43-45 |
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 Dichloroethylsilane used for?
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Dichloroethylsilane (CAS: 1789-58-8) is primarily used as a reagent in chemical synthesis, particularly for protection and derivatization applications, and in the development of silicon-based materials.
What is the CAS number and formula for Dichloroethylsilane?
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The CAS number for Dichloroethylsilane is 1789-58-8, and its empirical formula is C2H6Cl2Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dichloroethylsilane with a minimum assay of 98.0% (AT). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Dichloroethylsilane be handled safely?
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Dichloroethylsilane is highly flammable and reacts with water, releasing flammable gas. It causes severe skin burns and eye damage and may cause respiratory irritation. Handle with extreme caution in a well-ventilated area, wearing appropriate personal protective equipment including gloves, eye protection, and respiratory protection. Refer to the Safety Data Sheet for full details.
How is Dichloroethylsilane packed, shipped, and exported?
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Dichloroethylsilane is shipped according to UN 1183 regulations for hazardous materials. Packaging is designed to ensure safe transport and compliance with international shipping standards. Tech Serve Solutions is a global supplier and exporter.
How can I request a sample or a quote for Dichloroethylsilane?
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To request a sample or a quotation for Dichloroethylsilane, please contact our sales team through the website or by phone. Provide your contact details and the quantity required.
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