Dichloro(methyl)propylsilane
Dichloro(methyl)propylsilane (CAS: 4518-94-9; Formula: C4H10Cl2Si) is a chemical compound with a molecular weight of 157.11 g/mol. It is primarily utilised as a synthetic reagent, particularly in organic synthesis and materials science. Its specific chemical structure makes it valuable for introducing propylsilyl groups or as a precursor in the synthesis of more complex organosilicon compounds.
- IUPAC
- Methyl-propyl-dichlorosilane

Organic Synthesis
Dichloro(methyl)propylsilane serves as a versatile building block in organic synthesis. It can be employed in reactions requiring the introduction of a methylpropylsilyl moiety, contributing to the construction of novel molecular architectures.
Materials Science
This organosilicon compound finds application in materials science for the development of silicon-containing polymers and materials. Its unique structure can impart specific properties to the resulting materials.
Chemical Research
As a specialized reagent, Dichloro(methyl)propylsilane is used in research laboratories for exploring new chemical transformations and developing novel synthetic methodologies involving silicon chemistry.
| Molecular weight | 157.11 |
|---|---|
| Empirical formula | C4H10Cl2Si |
| Assay | ≥97.0% (GC) |
| Density | 1.046 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.420 |


Hazard statements
- H226Flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- 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 | 27 °C / 80.6 °F |
| Transport (UN / ADR) | UN 2986 3(8) / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-34 |
| Safety statements (S) | 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 Dichloro(methyl)propylsilane used for?
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Dichloro(methyl)propylsilane is used as a synthetic reagent in organic chemistry and materials science for introducing specific silicon-containing functional groups or as a precursor in the synthesis of organosilicon compounds.
What is the CAS number and formula for Dichloro(methyl)propylsilane?
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The CAS number for Dichloro(methyl)propylsilane is 4518-94-9, and its empirical formula is C4H10Cl2Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dichloro(methyl)propylsilane with an assay of ≥97.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should Dichloro(methyl)propylsilane be handled safely?
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Dichloro(methyl)propylsilane is a dangerous substance classified as flammable and corrosive (H226-H314). Handle with extreme care, wearing appropriate personal protective equipment including face shields, chemical-resistant gloves, and eye protection. Ensure adequate ventilation and have emergency procedures in place.
Is Dichloro(methyl)propylsilane available for export?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including Dichloro(methyl)propylsilane.
How can I request a sample or quote for Dichloro(methyl)propylsilane?
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To request a sample or a quote for Dichloro(methyl)propylsilane, please contact our sales department through the website or by phone.
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