Silanes & Organosilanes Available to Source

Ethyltriacetoxisilane

CAS 17689-77-9 · MF C8H14O6Si · MW 234.28 g/mol

Ethyltriacetoxisilane (CAS: 17689-77-9) is an organosilane coupling agent with molecular formula C8H14O6Si that provides adhesion promotion and coupling functionality in industrial applications. This silane compound is utilized across coatings & construction, industrial manufacturing, and plastics & polymers industries where enhanced bonding between organic and inorganic substrates is required.

SDS / TDS Download
CAS Number
17689-77-9
Molecular Formula
C8H14O6Si
Molecular Weight
234.28 g/mol
Material Family
Silanes & Organosilanes
Physical Properties
vapor_pressure
0.04 [mmHg]
GHS / SDS Safety Danger
Irritant Health Hazard Corrosive
  • H318 (11.1%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • Not Classified
  • H302: Harmful if swallowed [Warning Acute toxicity, oral]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H302 (83.3%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H314 (98.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
CAS Number17689-77-9
IUPAC Name[diacetyloxy(ethyl)silyl] acetate
InChI KeyKXJLGCBCRCSXQF-UHFFFAOYSA-N
PubChem CID 87244
Synonyms & Trade Names
Ethyltriacetoxysilane Triacetoxyethylsilane Silanetriol, 1-ethyl-, 1,1,1-triacetate Silanetriol, ethyl-, triacetate ETHYLSILANETRIOL TRIACETATE DTXCID607792 TRIS(ACETYLOXY)ETHYLSILANE CE6345 RefChem:139208 Ethylsilanetriol, triacetate Silanetriol, ethyl, triacetate Silanetriol, 1ethyl, 1,1,1triacetate (Triacetoxy)ethylsilane
Full Description

Ethyltriacetoxisilane (CAS: 17689-77-9) is an organosilane coupling agent with molecular formula C8H14O6Si that provides adhesion promotion and coupling functionality in industrial applications. This silane compound is utilized across coatings & construction, industrial manufacturing, and plastics & polymers industries where enhanced bonding between organic and inorganic substrates is required.