三乙酰氧基乙基硅烷

Description

triacetoxyethylsilane · CAS 17689-77-9 · C8H14O6Si. UNII 38023A64VV. Vapor Pressure: 0.04 [mmHg].

Identification

CAS Registry Number	17689-77-9
PubChem CID	87244
Molecular formula	C8H14O6Si
IUPAC name	[diacetyloxy(ethyl)silyl] acetate
UNII (FDA)	38023A64VV

Computed Descriptors

Molecular Weight	234.28
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	7
Exact Mass	234.05596470
Monoisotopic Mass	234.05596470
Topological Polar Surface Area	78.9
Heavy Atom Count	15
Formal Charge	0
Complexity	234

Physical & Chemical Properties

Vapor Pressure	0.04 [mmHg]

Physical description & handling notes

• Liquid
• Off-white liquid with an odor of acetic acid; mp = 8.4 deg C; [OECD SIDS: IUCLID Data Set] Colorless liquid; mp = 7-9 deg C; [Alfa Aesar MSDS]

Regulatory Status

GHS notification summary	1.6% (6 / 378)

GHS Hazard Classification

GHS notification summary	1.6% (6 / 378)
Reported hazard statements	H302 (83.3%), H314 (98.4%), H318 (11.1%), H371

Documented Uses

• Used as a cross-linker for silicone sealants and adhesives available in consumer, industrial, and construction markets; [OECD SIDS: Ethyltriacetoxysilane - 2005]
• Information on 36 consumer products that contain Ethyltriacetoxysilane in the following categories is provided:
• 2023: 1,000,000 - <5,000,000 lb
• 2022: 1,000,000 - <5,000,000 lb
• 2021: 1,000,000 - <5,000,000 lb
• 2020: 1,000,000 - <5,000,000 lb

Synonyms

Ethyltriacetoxysilane; Triacetoxyethylsilane; Silanetriol, 1-ethyl-, 1,1,1-triacetate; Silanetriol, ethyl-, triacetate; DTXSID3027792; Dynasylan ETAC; EINECS 241-677-4; UNII-38023A64VV; ETHYLSILANETRIOL TRIACETATE; 38023A64VV; DTXCID607792; TRIS(ACETYLOXY)ETHYLSILANE; EC 241-677-4; CE6345; RefChem:139208; Ethylsilanetriol, triacetate

Frequently Asked Questions

What are the CAS number and molecular formula of triacetoxyethylsilane?

CAS 17689-77-9; molecular formula C8H14O6Si; molecular weight — g/mol.

What other names is triacetoxyethylsilane known by?

Ethyltriacetoxysilane, Triacetoxyethylsilane, Silanetriol, 1-ethyl-, 1,1,1-triacetate, Silanetriol, ethyl-, triacetate, DTXSID3027792, Dynasylan ETAC.

Is triacetoxyethylsilane classified as hazardous?

1.6% of GHS notifications report no hazard classification (6 of 378).

What are the key physical properties of triacetoxyethylsilane?

Vapor Pressure: 0.04 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.