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Name	(2-Cyanoethyl)triethoxysilane	EINECS	N/A
CAS No.	919-31-3	Density	0.964g/cm³
PSA	51.48000	LogP	1.94848
Solubility	Hydrolyzes in water.	Melting Point	N/A
Formula	C9H19 N O3 Si	Boiling Point	250.4°Cat760mmHg
Molecular Weight	217.34	Flash Point	105.3°C
Transport Information	N/A	Appearance	N/A
Safety	Mildly toxic by ingestion and skin contact. A skin irritant. See also CYANIDE. When heated to decomposition it emits toxic fumes of NO_x and CN⁻.	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols
Synonyms	Propionitrile,3-(triethoxysilyl)- (6CI,7CI,8CI); (2-Cyanoethyl)triethoxysilane; (b-Cyanoethyl)triethoxysilane;3-(Triethoxysilyl)propionitrile; Cyanoethyltriethoxysilane; NSC 77092	Article Data	20

(2-Cyanoethyl)triethoxysilane Synthetic route

: 78-10-4
tetraethoxy orthosilicate

: 107-13-1
acrylonitrile

: 919-31-3
2-cyanoethyltriethoxysilane

Conditions

Conditions	Yield
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%

: 998-30-1
Triethoxysilane

: 107-13-1
acrylonitrile

: 919-31-3
2-cyanoethyltriethoxysilane

Conditions

Conditions	Yield
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%

: 64-17-5
ethanol

: 1071-22-3
2-cyanoethyltrichlorosilane

: 919-31-3
2-cyanoethyltriethoxysilane

Conditions

Conditions	Yield
In dichloromethane for 3h; Heating;	85%

: 19158-51-1
P-toluenesulfonyl cyanide

: C8H19IO3SiZn

: 919-31-3
2-cyanoethyltriethoxysilane

Conditions

Conditions	Yield
In tetrahydrofuran at 0 - 25℃;	67%

: 64-17-5
ethanol

: 18192-16-0
2-Cyanoethylsilan

: 919-31-3
2-cyanoethyltriethoxysilane

Conditions

Conditions	Yield
With dihydrogen hexachloroplatinate; platinum

: 5089-72-5
3-[N-(2-aminoethyl)]aminopropyltriethoxysilane

: 919-31-3
2-cyanoethyltriethoxysilane

: 64-17-5
ethanol

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

: 919-31-3
2-cyanoethyltriethoxysilane

Conditions

Conditions	Yield
With potassium hydroxide at 240℃; for 3h; Autoclave; Molecular sieve;

: 56907-19-8, 12081-12-8
bis(tetrahydrofurane)dichloridodioxidomolybdenum(VI)

: 919-31-3
2-cyanoethyltriethoxysilane

: MoO2Cl2NCCH2CH2Si(OC2H5)3

Conditions

Conditions	Yield
In dichloromethane mixed, stirred (30 min); filtered, concd. (to dryness), washed (hexane), dried (in vac.), elem. anal.;	96%

: 919-31-3
2-cyanoethyltriethoxysilane

: 429-41-4
tetrabutyl ammonium fluoride

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

Conditions

Conditions	Yield
In tetrahydrofuran; water; toluene at 25℃; for 16h; Solvent; Inert atmosphere;	96%

: 17455-13-9
18-crown-6 ether

: 919-31-3
2-cyanoethyltriethoxysilane

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

Conditions

Conditions	Yield
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-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 NO_x and CN⁻.
Hazard Codes Xi
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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