Diacetoxydimethylsilane

CAS 2182-66-3(CH3CO2)2Si(CH3)2Chemical Synthesis

Diacetoxydimethylsilane (CAS 2182-66-3), with the linear formula (CH3CO2)2Si(CH3)2 and a molecular weight of 176.24 g/mol, is a versatile organosilicon compound. It serves as a key intermediate in chemical synthesis. Its properties make it suitable for applications requiring the introduction of dimethylsilyl groups or as a precursor in the production of polymers and other specialised silicon-containing materials.

IUPAC: Dimethyldiacetoxysilane
Synonyms: Dimethyldiacetoxysilane

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Diacetoxydimethylsilane ((CH3CO2)2Si(CH3)2) — chemical structure, CAS 2182-66-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisOrganometallic ReagentsOrganosiliconOthers

01 /Applications

Chemical Synthesis

Diacetoxydimethylsilane is employed as a reagent in organic synthesis for the preparation of various silicon-containing compounds. It can be used to introduce dimethylsilyl functionalities into molecules.

Organosilicon Chemistry

This compound is a valuable building block in organosilicon chemistry. It can participate in reactions leading to the formation of siloxanes, silicon resins, and other advanced materials.

Material Science Precursor

It acts as a precursor for developing novel materials with specific properties. Its reactivity allows for tailored incorporation into polymer backbones or as surface modification agents.

02 /Properties

Molecular weight	176.24
Linear formula	(CH3CO2)2Si(CH3)2
Assay	98%
Boiling point	163 °C(lit.)
Density	1.054 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.403(lit.)
Melting point	−12.5 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

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	69 °C / 156.2 °F
Transport (UN / ADR)	UN 3265 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	34
Safety statements (S)	26-28-36/37/39-45

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

04 /Identifiers & registry

CAS number

2182-66-3

MDL number

MFCD00039832

Beilstein registry

1769843

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 Diacetoxydimethylsilane used for?

Diacetoxydimethylsilane is primarily used as a reagent in chemical synthesis and as a building block in organosilicon chemistry for the preparation of silicon-containing compounds and materials.

What is the CAS number and formula for Diacetoxydimethylsilane?

The CAS number is 2182-66-3, and its linear formula is (CH3CO2)2Si(CH3)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Diacetoxydimethylsilane with an assay of 98%. We do not represent this product as meeting any pharmacopoeia standards such as USP, BP, or EP.

How should Diacetoxydimethylsilane be handled?

Diacetoxydimethylsilane is classified as corrosive. Handle with extreme care, wearing appropriate personal protective equipment including full-face shields, chemical-resistant gloves, and goggles. Ensure adequate ventilation and use appropriate respiratory protection.

Is Diacetoxydimethylsilane a controlled substance?

The provided data does not indicate that Diacetoxydimethylsilane is a controlled substance.

How is Diacetoxydimethylsilane packed and shipped?

Diacetoxydimethylsilane is shipped as UN 3265, Class 8, Packing Group II, indicating it is a corrosive liquid. TSS adheres to all relevant shipping regulations for international export.

How can I request a quote or sample?

To request a quote or sample of Diacetoxydimethylsilane, please contact our sales team via the website or provide your details through the product inquiry form.