Dichloro(chloromethyl)methylsilane
Dichloro(chloromethyl)methylsilane (CAS: 1558-33-4) is a reactive organosilicon compound with the molecular formula (ClCH2)Si(CH3)Cl2 and a molecular weight of 163.51 g/mol. It is characterised by its high reactivity, particularly with water. This compound serves as a valuable intermediate and reagent in chemical synthesis, notably within the field of silicon-based chemistry and the development of protecting group strategies.
- IUPAC
- (Chloromethyl)dichloromethylsilane,(Chloromethyl)methyldichlorosilane,Silane CMM1
- Synonyms
- Silane CMM1(Chloromethyl)dichloromethylsilane(Chloromethyl)methyldichlorosilane
Chemical Synthesis Intermediate
Utilised as a building block in the synthesis of more complex organosilicon compounds. Its reactive chloro substituents allow for versatile derivatisation.
Protecting Group Chemistry
Serves as a reagent for introducing silyl protecting groups in organic synthesis. This aids in selectively masking reactive functional groups during multi-step reactions.
Silicon-Based Material Precursor
Can be employed in the development and production of specialised silicon-containing materials and polymers. Its structure offers a route to unique material properties.
| Molecular weight | 163.51 |
|---|---|
| Linear formula | (ClCH2)Si(CH3)Cl2 |
| Assay | ≥98.0% (GC) |
| Boiling point | 121-122 °C(lit.) |
| Density | 1.284 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.449(lit.) |
| Vapour density | >1 (vs air) |
Hazard statements
- H226Flammable liquid and vapour
- H314Causes severe skin burns and eye damage
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- 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 | 35 °C / 95 °F |
| Transport (UN / ADR) | UN 2927 6.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-14-20-35-37 |
| Safety statements (S) | 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 Dichloro(chloromethyl)methylsilane used for?
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Dichloro(chloromethyl)methylsilane is primarily used as an intermediate in chemical synthesis, particularly for introducing silicon-containing moieties and as a reagent in protecting group strategies within organic chemistry.
What is the CAS number and formula for Dichloro(chloromethyl)methylsilane?
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The CAS number is 1558-33-4 and the linear formula is (ClCH2)Si(CH3)Cl2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dichloro(chloromethyl)methylsilane with an assay of ≥98.0% (GC). This is a technical/research grade chemical and TSS does not represent it as USP, BP, EP, or pharmacopoeia grade.
What are the key safety and handling considerations?
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Dichloro(chloromethyl)methylsilane is a Danger hazard substance (GHS02, GHS05, GHS06) due to its flammability (H226), corrosive nature (H314), and toxicity upon inhalation (H331), causing respiratory irritation (H335). It reacts violently with water. Strict adherence to safety protocols, including appropriate personal protective equipment (gloves, goggles, face shield, respirator), and handling in a well-ventilated area or fume hood are essential.
How is this chemical packed, shipped, and exported?
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As a global supplier, Tech Serve Solutions professionally packs and ships Dichloro(chloromethyl)methylsilane in compliance with all relevant international transport regulations for hazardous materials. We have extensive experience in exporting chemicals worldwide.
How can I request a sample or quote?
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To request a sample or a quote for Dichloro(chloromethyl)methylsilane, please visit the 'Contact Us' section of our website or reach out directly to our sales team with your specific requirements.
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