(Chloromethyl)methyldiethoxysilane
(Chloromethyl)methyldiethoxysilane (CAS: 2212-10-4, Formula: ClH2CSi(OCH2CH3)2CH3) is an organosilicon compound with a molecular weight of 182.72 g/mol. It is a clear, colourless liquid characterised by its reactive chloromethyl group and ethoxy functionalities. This compound serves as a versatile building block in chemical synthesis, particularly in the creation of functionalised silanes and polymers, and is supplied by TSS with an assay of 97%.
- IUPAC
- Chloromethyl(methyl)diethoxysilane

Silane Synthesis
Utilised as a precursor for the synthesis of various functionalised organosilicon compounds. Its chloromethyl group allows for further chemical modification and incorporation into larger molecular structures.
Polymer Chemistry
Acts as a monomer or cross-linking agent in the development of specialised polymers and silicones. It can impart specific properties to materials due to its unique chemical structure.
Surface Modification
Can be employed to modify surfaces, introducing organosilicon functionalities. This is beneficial in applications requiring altered surface energy or adhesion properties.
Chemical Intermediates
Serves as a key intermediate in multi-step organic synthesis pathways for complex molecules in research and development settings.
| Molecular weight | 182.72 |
|---|---|
| Linear formula | ClH2CSi(OCH2CH3)2CH3 |
| Assay | 97% |
| Density | 1.000 g/mL at 25 °C(lit.) |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 37 °C / 98.6 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-22-37/38-41 |
| Safety statements (S) | 16-26-36 |
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)methyldiethoxysilane used for?
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(Chloromethyl)methyldiethoxysilane is used in chemical synthesis, particularly for creating functionalised silanes and polymers, and in surface modification applications.
What is the CAS number and formula for (Chloromethyl)methyldiethoxysilane?
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The CAS number is 2212-10-4 and the linear formula is ClH₂CSi(OCH₂CH₃)₂CH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Chloromethyl)methyldiethoxysilane with an assay of 97%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should (Chloromethyl)methyldiethoxysilane be handled safely?
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Danger! This compound is flammable (H226), harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator, in a well-ventilated area, away from ignition sources.
Is (Chloromethyl)methyldiethoxysilane available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (Chloromethyl)methyldiethoxysilane.
How can I request a quote or sample?
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Please contact our sales team directly via our website or phone number to request a quote or sample of (Chloromethyl)methyldiethoxysilane.
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