Ethyltriacetoxysilane

CAS 17689-77-9(CH3CO2)3SiC2H5Chemical Synthesis

Ethyltriacetoxysilane (CAS 17689-77-9), with the linear formula (CH3CO2)3SiC2H5 and a molecular weight of 234.28 g/mol, is an organosilicon compound. It serves as a valuable building block in chemical synthesis, particularly in reactions involving ester or carbonyl functionalities. Its properties make it suitable for various laboratory and industrial applications where precise chemical transformations are required.

IUPAC: Triacetoxy(ethyl)silane
Synonyms: Triacetoxy(ethyl)silane

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Ethyltriacetoxysilane ((CH3CO2)3SiC2H5) — chemical structure, CAS 17689-77-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC8 to C9Carbonyl CompoundsChemical SynthesisEsters

01 /Applications

Chemical Synthesis Intermediate

Ethyltriacetoxysilane functions as a versatile intermediate in organic synthesis. It can be employed in reactions requiring the introduction of specific functional groups or for the construction of more complex molecular architectures.

Building Block for Organosilicon Chemistry

This compound acts as a fundamental building block in the field of organosilicon chemistry. Its structure allows for its incorporation into polymers or other materials, modifying their properties.

Laboratory Reagent

As a laboratory reagent, Ethyltriacetoxysilane is utilised in research and development settings for specialised chemical reactions and the exploration of new synthetic pathways.

02 /Properties

Molecular weight	234.28
Linear formula	(CH3CO2)3SiC2H5
Assay	95%
Boiling point	98 °C/4 mmHg(lit.)
Density	1.14 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.411(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	106 °C / 222.8 °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)	26-36/37/39-45

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

04 /Identifiers & registry

CAS number

17689-77-9

MDL number

MFCD00053703

Beilstein registry

1795013

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 Ethyltriacetoxysilane used for?

Ethyltriacetoxysilane is used as a building block in chemical synthesis and as a reagent in laboratory research, particularly within organosilicon chemistry.

What is the CAS number and formula for Ethyltriacetoxysilane?

The CAS number is 17689-77-9, and its linear formula is (CH3CO2)3SiC2H5.

What grade and purity does Tech Serve Solutions supply?

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

What are the safety concerns when handling Ethyltriacetoxysilane?

Ethyltriacetoxysilane is classified as Dangerous (GHS05, Danger). It causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including gloves, goggles, and face shields, is essential. Always refer to the safety data sheet before handling.

How is Ethyltriacetoxysilane typically packed and shipped?

Ethyltriacetoxysilane is packed according to international shipping regulations for hazardous materials, including UN 3265, Class 8, PG II. We export globally.

How can I request a sample or quote for Ethyltriacetoxysilane?

To request a sample or a quotation, please contact our sales team via the website or by phone, providing your specific requirements and delivery details.