Product Name

  • Name

    2-CYANOETHYLTRIETHOXYSILANE

  • EINECS
  • CAS No. 919-31-3
  • Article Data20
  • CAS DataBase
  • Density 0.964g/cm3
  • Solubility Hydrolyzes in water.
  • Melting Point
  • Formula C9H19 N O3 Si
  • Boiling Point 250.4°Cat760mmHg
  • Molecular Weight 217.34
  • Flash Point 105.3°C
  • Transport Information
  • Appearance
  • Safety Mildly toxic by ingestion and skin contact. A skin irritant. See also CYANIDE. When heated to decomposition it emits toxic fumes of NOx and CN−.
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 919-31-3 (2-CYANOETHYLTRIETHOXYSILANE)
  • Hazard Symbols
  • Synonyms Propionitrile,3-(triethoxysilyl)- (6CI,7CI,8CI); (2-Cyanoethyl)triethoxysilane; (b-Cyanoethyl)triethoxysilane;3-(Triethoxysilyl)propionitrile; Cyanoethyltriethoxysilane; NSC 77092
  • PSA 51.48000
  • LogP 1.94848

Synthetic route

tetraethoxy orthosilicate
78-10-4

tetraethoxy orthosilicate

acrylonitrile
107-13-1

acrylonitrile

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

Conditions
ConditionsYield
Stage #1: tetraethoxy orthosilicate at 100 - 105℃; for 2h; Molecular sieve; Large scale;
Stage #2: With titanium tetrachloride In water at 40 - 98℃; Large scale;
Stage #3: acrylonitrile Large scale; Further stages;		94.6%
Triethoxysilane
998-30-1

Triethoxysilane

acrylonitrile
107-13-1

acrylonitrile

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

Conditions
ConditionsYield
With N,N,N,N,N,N-hexamethylphosphoric triamide at 56 - 59℃; for 2h; Large scale;94.5%
With lithium perchlorate at 25℃; for 2h; electrolysis;66%
ethanol
64-17-5

ethanol

2-cyanoethyltrichlorosilane
1071-22-3

2-cyanoethyltrichlorosilane

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

Conditions
ConditionsYield
In dichloromethane for 3h; Heating;85%
P-toluenesulfonyl cyanide
19158-51-1

P-toluenesulfonyl cyanide

C8H19IO3SiZn

C8H19IO3SiZn

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 25℃;67%
ethanol
64-17-5

ethanol

2-Cyanoethylsilan
18192-16-0

2-Cyanoethylsilan

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

Conditions
ConditionsYield
With dihydrogen hexachloroplatinate; platinum
3-[N-(2-aminoethyl)]aminopropyltriethoxysilane
5089-72-5

3-[N-(2-aminoethyl)]aminopropyltriethoxysilane

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

ethanol
64-17-5

ethanol

1,1,3,3-Tetraethoxy-1,3-bis-<2-cyan-ethyl>-disiloxan
18551-37-6

1,1,3,3-Tetraethoxy-1,3-bis-<2-cyan-ethyl>-disiloxan

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

Conditions
ConditionsYield
With potassium hydroxide at 240℃; for 3h; Autoclave; Molecular sieve;
bis(tetrahydrofurane)dichloridodioxidomolybdenum(VI)
56907-19-8, 12081-12-8

bis(tetrahydrofurane)dichloridodioxidomolybdenum(VI)

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

MoO2Cl2NCCH2CH2Si(OC2H5)3

MoO2Cl2NCCH2CH2Si(OC2H5)3

Conditions
ConditionsYield
In dichloromethane mixed, stirred (30 min); filtered, concd. (to dryness), washed (hexane), dried (in vac.), elem. anal.;96%
2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

tetrabutyl ammonium fluoride
429-41-4

tetrabutyl ammonium fluoride

tetra-n-butylammonium octakis(2-cyanoethyl)octasilsesquioxane fluoride
1393730-72-7

tetra-n-butylammonium octakis(2-cyanoethyl)octasilsesquioxane fluoride

Conditions
ConditionsYield
In tetrahydrofuran; water; toluene at 25℃; for 16h; Solvent; Inert atmosphere;96%
18-crown-6 ether
17455-13-9

18-crown-6 ether

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

octakis(2-cyanoethyl)octasilsesquioxane fluoride-18-crown-6-potasium

octakis(2-cyanoethyl)octasilsesquioxane fluoride-18-crown-6-potasium

Conditions
ConditionsYield
Stage #1: 18-crown-6 ether With potassium fluoride In toluene; acetonitrile at 20℃; for 0.25h; Inert atmosphere;
Stage #2: 2-cyanoethyltriethoxysilane In water; toluene; acetonitrile at 20℃; Inert atmosphere;		96%
2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

tetraethylammonium fluoride
665-46-3

tetraethylammonium fluoride

tetraethylammonium octakis(2-cyanoethyl)octasilsesquioxane fluoride
1393730-75-0

tetraethylammonium octakis(2-cyanoethyl)octasilsesquioxane fluoride

Conditions
ConditionsYield
In toluene at 25℃; for 16h; Solvent; Inert atmosphere;94%
18-crown-6 ether
17455-13-9

18-crown-6 ether

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

octakis(2-cyanoethyl)octasilsesquioxane fluoride-18-crown-6-rubidium

octakis(2-cyanoethyl)octasilsesquioxane fluoride-18-crown-6-rubidium

Conditions
ConditionsYield
Stage #1: 18-crown-6 ether With rubidium fluoride In toluene; acetonitrile at 20℃; for 0.25h; Inert atmosphere;
Stage #2: 2-cyanoethyltriethoxysilane In water; toluene; acetonitrile at 20℃; Inert atmosphere;		92%
18-crown-6 ether
17455-13-9

18-crown-6 ether

2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

benzene-1,2-diol
120-80-9

benzene-1,2-diol

potassium [18-crown-6] bis(catecholato)-3-cyanoethylsilicate

potassium [18-crown-6] bis(catecholato)-3-cyanoethylsilicate

Conditions
ConditionsYield
With potassium methanolate In methanol at 20℃; for 3h; Inert atmosphere;83%
...Expand
2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

3-aminopropyltriethoxysilane
919-30-2

3-aminopropyltriethoxysilane

Conditions
ConditionsYield
With nickel Hydrogenation;
2-cyanoethyltriethoxysilane
919-31-3

2-cyanoethyltriethoxysilane

carbon dioxide
124-38-9

carbon dioxide

A

1,1,3,3-Tetraethoxy-1,3-bis-<2-cyan-ethyl>-disiloxan
18551-37-6

1,1,3,3-Tetraethoxy-1,3-bis-<2-cyan-ethyl>-disiloxan

B

Diethyl carbonate
105-58-8

Diethyl carbonate

Conditions
ConditionsYield
With zirconium(IV) ethoxide at 180℃; under 37503.8 Torr; Autoclave;A n/a
B 48 %Chromat.
...Expand

(2-Cyanoethyl)triethoxysilane Chemical Properties

IUPAC Name: 3-Triethoxysilylpropanenitrile
Synonyms: (.beta.-Cyanoethyl)triethoxysilane ; (2-Cyanoethyl)triethoxysilane ; 3-(Triethoxysilyl)propionitrile ; Propanenitrile, 3- (triethoxysilyl)- ; Propionitrile, 3- (triethoxysilyl)-
Product Categories: Functional Materials;Si (Classes of Silicon Compounds);Silane Coupling Agents;Silane Coupling Agents (Intermediates);Si-O Compounds;Trialkoxysilanes
CAS NO:919-31-3
Molecular Formula of (2-Cyanoethyl)triethoxysilane (CAS NO.919-31-3) :C9H19NO3Si
Molecular Weight of (2-Cyanoethyl)triethoxysilane (CAS NO.919-31-3) :217.34
Molecular structure of (2-Cyanoethyl)triethoxysilane (CAS NO.919-31-3) :
Index of Refraction:1.425
Surface Tension: 27.6 dyne/cm 
Density: 0.964 g/cm3 
Flash Point: 105.3 °C 
Enthalpy of Vaporization: 48.77 kJ/mol 
Boiling Point: 250.4 °C at 760 mmHg 
Vapour Pressure: 0.0216 mmHg at 25°C 
Sensitive : Moisture Sensitive

(2-Cyanoethyl)triethoxysilane Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin 5950uL/kg (5.95mL/kg)   American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.
rat LD50 oral 5630mg/kg (5630mg/kg)   American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.

(2-Cyanoethyl)triethoxysilane Consensus Reports

Reported in EPA TSCA Inventory. Cyanide and its compounds are on the Community Right-To-Know List.

(2-Cyanoethyl)triethoxysilane Safety Profile

Mildly toxic by ingestion and skin contact. A skin irritant. See also CYANIDE. When heated to decomposition it emits toxic fumes of NOx and CN−.
Hazard Codes IrritantXi
Risk Statements 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements 26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany 2
RTECS VV2750000
F 10-21
TSCA Yes

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