Chloromethyltrimethoxysilane

CAS 5926-26-1(H3CO)3SiCH2ClMicro / NanoElectronics

Chloromethyltrimethoxysilane (CAS 5926-26-1) is a silane compound with the molecular formula (H3CO)3SiCH2Cl and a molecular weight of 170.67. This organosilicon chemical serves as a versatile intermediate and reagent. Its primary applications lie in materials science, particularly in micro/nanoelectronics and self-assembly processes, where it is used for surface modification and the creation of functionalised materials. It is supplied by TSS with an assay of 96%.

Email us

Chloromethyltrimethoxysilane ((H3CO)3SiCH2Cl) — chemical structure, CAS 5926-26-1; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceMicro/NanoElectronicsSelf-Assembly MaterialsSilanes

01 /Applications

Surface Modification

Chloromethyltrimethoxysilane is employed to introduce functional groups onto surfaces, altering their chemical and physical properties. This is crucial for tailoring material interfaces in advanced applications.

Micro/Nanoelectronics

This silane is utilised in the fabrication of microelectronic devices and nanostructures. It can act as a cross-linking agent or a precursor for depositing thin films with specific characteristics.

Self-Assembly Materials

The compound facilitates the formation of ordered molecular layers through self-assembly techniques. This is valuable in creating complex structures and functional surfaces for various technological uses.

Chemical Synthesis

As a reactive intermediate, Chloromethyltrimethoxysilane can be used in organic synthesis to incorporate silicon-containing moieties or the chloromethyl group into larger molecules.

02 /Properties

Molecular weight	170.67
Linear formula	(H3CO)3SiCH2Cl
Assay	96%
Boiling point	151 °C(lit.)
Density	1.132 g/mL at 25 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Danger

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	-3 °C / 26.6 °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)	16-29-33

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

5926-26-1

MDL number

MFCD00468107

PubChem substance

24881675

05 /Quality & supply

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.

06 /Frequently asked questions

What is Chloromethyltrimethoxysilane used for?

Chloromethyltrimethoxysilane is used in materials science, micro/nanoelectronics, and self-assembly processes for surface modification and the synthesis of functionalised materials.

What is the CAS number and formula for Chloromethyltrimethoxysilane?

The CAS number is 5926-26-1 and the linear formula is (H3CO)3SiCH2Cl.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Chloromethyltrimethoxysilane with an assay of 96%. This is a technical grade for research and industrial use, and we do not represent it as USP, BP, or EP.

How should Chloromethyltrimethoxysilane be handled safely?

Chloromethyltrimethoxysilane is a flammable liquid and vapour (H225) requiring strict safety protocols. Handle in a well-ventilated area, away from ignition sources. Essential personal protective equipment includes eyeshields, gloves, and appropriate respiratory protection such as a full-face respirator with an ABEK filter.

Is Chloromethyltrimethoxysilane flammable?

Yes, Chloromethyltrimethoxysilane is a highly flammable liquid and vapour, indicated by hazard statement H225 and a flash point of -3 °C (26.6 °F).

How is Chloromethyltrimethoxysilane packed and exported?

Chloromethyltrimethoxysilane is shipped as UN 1993, Class 3, Packing Group II, in compliance with relevant transportation regulations for flammable liquids. TSS exports globally.

How can I request a sample or quote for Chloromethyltrimethoxysilane?

To request a sample or a quotation for Chloromethyltrimethoxysilane, please contact the TSS sales team via our website or designated contact channels.