Dimethoxydimethylsilane

CAS 1112-39-6Si(OCH3)2(CH3)2Chemical Synthesis

Dimethyldimethoxysilane (CAS: 1112-39-6) is an organosilicon compound with the formula Si(OCH3)2(CH3)2 and a molecular weight of 120.22 g/mol. This flammable liquid serves as a versatile reagent in chemical synthesis, particularly in organosilicon chemistry. It is utilized for its ability to introduce the dimethoxysilyl functionality into organic molecules, contributing to the development of specialized materials and intermediates.

IUPAC: Dimethyldimethoxysilane

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Dimethoxydimethylsilane (Si(OCH3)2(CH3)2) — chemical structure, CAS 1112-39-6; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisOrganometallic ReagentsOrganosiliconOthers

01 /Applications

Reagent in Organic Synthesis

Acts as a precursor or reagent in various organic transformations, enabling the synthesis of complex molecules and organosilicon compounds.

Cross-linking Agent

Can be employed in the modification of polymers and surfaces, potentially for cross-linking applications to enhance material properties.

Intermediate for Specialty Chemicals

Serves as a building block in the production of fine chemicals and advanced materials where specific silicon-containing structures are required.

02 /Properties

Molecular weight	120.22
Linear formula	Si(OCH3)2(CH3)2
Assay	95%
Grade	purum
Form	liquidn20/D 1.371
Boiling point	81.4 °C(lit.)
Density	0.88 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.369(lit.)
Impurities tested	3% methyl alcohol

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H225Highly flammable liquid and vapour
H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking
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	10 °C / 50 °F
Transport (UN / ADR)	UN 1993BF 3 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F,Xi
Risk statements (R)	11-36
Safety statements (S)	16-26-33-36

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

04 /Identifiers & registry

CAS number

1112-39-6

MDL number

MFCD00025691

Beilstein registry

1733694

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 Dimethyldimethoxysilane used for?

Dimethyldimethoxysilane is primarily used as a reagent in organic synthesis, particularly in the field of organosilicon chemistry for creating specialized molecules and materials.

What are the CAS number and formula for Dimethyldimethoxysilane?

The CAS number is 1112-39-6 and the chemical formula is Si(OCH3)2(CH3)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Dimethyldimethoxysilane with a minimum assay of 95%, designated as 'purum' grade. We do not represent this product as USP, BP, or EP grade.

How should Dimethyldimethoxysilane be handled safely?

Dimethyldimethoxysilane is a highly flammable liquid and causes serious eye irritation. Handle with appropriate personal protective equipment, including eyeshields and gloves, in a well-ventilated area away from ignition sources. Refer to the Safety Data Sheet for full guidance.