Chloromethyl(dimethyl)silane
Chloromethyl(dimethyl)silane (CAS 3144-74-9) is an organosilicon compound with the linear formula ClCH₂SiH(CH₃)₂ and a molecular weight of 108.64 g/mol. This reactive chemical is primarily utilised in organic synthesis. Its properties make it a valuable reagent for introducing specific functional groups in the preparation of more complex molecules. Tech Serve Solutions supplies this compound for research and development purposes.

Organic Synthesis Reagent
Utilised as a building block in the synthesis of various organic compounds. Its reactive chloromethyl and silyl hydride groups allow for diverse chemical transformations.
Organosilicon Chemistry
Serves as an intermediate in the preparation of specialised organosilicon materials. It can be employed to introduce dimethylsilylmethyl functionalities into target molecules.
Chemical Research
A useful reagent for academic and industrial research laboratories exploring new synthetic pathways and materials. Its specific reactivity profile supports the development of novel chemical entities.
| Molecular weight | 108.64 |
|---|---|
| Linear formula | ClCH2SiH(CH3)2 |
| Assay | 97% |
| Boiling point | 82-83 °C(lit.) |
| Density | 0.894 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.42(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 | -12 °C / 10.4 °F |
| Transport (UN / ADR) | UN 1993BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 7-16-29-33 |
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 Chloromethyl(dimethyl)silane used for?
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Chloromethyl(dimethyl)silane (CAS 3144-74-9) is used as a reagent in organic synthesis and in the field of organosilicon chemistry for the preparation of specialised compounds.
What is the CAS number and chemical formula for Chloromethyl(dimethyl)silane?
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The CAS number is 3144-74-9 and the linear formula is ClCH₂SiH(CH₃)₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chloromethyl(dimethyl)silane with an assay of 97%. This product is not classified as USP, BP, or EP grade.
How should Chloromethyl(dimethyl)silane be handled safely?
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Chloromethyl(dimethyl)silane is a highly flammable liquid and vapour (H225). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area away from ignition sources.
How is this chemical shipped and exported?
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Chloromethyl(dimethyl)silane is shipped and exported according to international regulations for hazardous materials. It is classified under UN 1993, Class 3, Packing Group II.
How can I request a sample or quote?
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To request a sample or a quotation for Chloromethyl(dimethyl)silane, please contact the Tech Serve Solutions sales team via our website or by phone.
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