Dichloromethylvinylsilane
Dichloromethylvinylsilane (CAS: 124-70-9) is an organosilicon compound with the formula H₂C=CHSi(CH₃)Cl₂. Possessing a molecular weight of 141.07 g/mol, this reactive chemical serves as a key building block in organic synthesis. It is primarily utilised in advanced material science for the deposition of silicon carbide thin films and nanowires via metalorganic chemical vapour deposition.
- IUPAC
- Methylvinyldichlorosilane
- Synonyms
- Methylvinyldichlorosilane

Thin Film Deposition
Dichloromethylvinylsilane is employed as a single molecular precursor for depositing β-SiC thin films using metalorganic chemical vapour deposition (MOCVD) techniques on silicon substrates.
Nanowire Synthesis
This compound facilitates the MOCVD synthesis of β-SiC nanowires, finding application in the creation of advanced nanomaterials on both bare and metal-coated silicon wafers.
Organic Synthesis Building Block
It acts as a versatile building block in chemical synthesis, notably used in the preparation and characterisation of complex organoboron compounds, such as Tris(1-(dichloro(methyl)silyl)ethyl)borane.
| Molecular weight | 141.07 |
|---|---|
| Linear formula | H2C=CHSi(CH3)Cl2 |
| Assay | 97% |
| Boiling point | 92 °C(lit.) |
| Density | 1.08 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.430(lit.) |
| Vapour density | >1 (vs air) |
| Storage temperature | 2-8°C |
| Application | Dichloromethylvinylsilane was used as single molecular precursor for the deposition of β-SiC thin films and β -SiC nanowires by metalorganic chemical vapor deposition on bare Si 100 and Ni-coated Si 100 substrates1. Dichloromethylvinylsilane was used in the synthesis and characterization of Tris(1-(dichloro(methyl)silyl)ethyl)borane,monomer2. |



Hazard statements
- H225Highly flammable liquid and vapour
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 4 °C / 39.2 °F |
| Transport (UN / ADR) | UN 2985 8(3) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-14-34-37 |
| Safety statements (S) | 16-26-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
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 Dichloromethylvinylsilane used for?
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Dichloromethylvinylsilane is used as a precursor for depositing β-SiC thin films and nanowires via MOCVD, and as a building block in organic synthesis.
What is the CAS number and formula for Dichloromethylvinylsilane?
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The CAS number is 124-70-9 and the linear formula is H₂C=CHSi(CH₃)Cl₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dichloromethylvinylsilane with an assay of 97%. We do not represent this product as USP, BP, or EP grade; it is supplied for research and industrial purposes.
How should Dichloromethylvinylsilane be handled safely?
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Dichloromethylvinylsilane is a highly flammable liquid and vapour (H225), causes severe skin burns and eye damage (H314), and may cause respiratory irritation (H335). It reacts violently with water. Handle with extreme care, using appropriate personal protective equipment including gloves, eye protection, and respiratory protection in a well-ventilated area. Store at 2-8°C.
Is Dichloromethylvinylsilane a controlled substance?
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The provided data does not indicate that Dichloromethylvinylsilane is a controlled substance.
How is Dichloromethylvinylsilane packed, shipped, and exported?
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As a global supplier, Tech Serve Solutions adheres to all international regulations for the safe packing, shipping, and export of chemicals like Dichloromethylvinylsilane, ensuring compliance and product integrity.
How can I request a sample or quote for Dichloromethylvinylsilane?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (124-70-9).
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