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Name	Triethoxyvinylsilane	EINECS	201-081-7
CAS No.	78-08-0	Density	0.904 g/cm³
PSA	27.69000	LogP	1.76000
Solubility	decomposes	Melting Point	<0 °C
Formula	C₈H₁₈O₃Si	Boiling Point	160.5 °C at 760 mmHg
Molecular Weight	190.315	Flash Point	34.4 °C
Transport Information	UN 1993 3/PG 3	Appearance	Colorless transparent liquid
Safety	26-36	Risk Codes	10-36/37
Molecular Structure		Hazard Symbols	Xi
Synonyms	Silane,triethoxyvinyl- (6CI,8CI);A 151;AH 151;DL 151;Dynasylan VTEO;DynasylanVTEU;EB 151;Ethenyltriethoxysilane;GF 56;Geniosil GF 56;JH-V 151;KBE1003;KH 151;KH 858;LS 2300;NQ 71;NSC 151;NV 1107;Polyscience VTES;S220;SCA 1613;Si 255;Sila-Ace S 220;Silane A 151;Silquest A 151;TM 12;TSL8311;Tri(ethoxo)(vinyl)silane;Silane,ethenyltriethoxy-;UC-A 151;Unisilan 612;Unisilan U 612;V 4910;VP-Si 225;VTES;VTS-E;Vinyltriethoxysilane;WD 20;WD20 (silane);YGO 1203;	Article Data	41

Triethoxyvinylsilane Synthetic route

: 64-17-5
ethanol

: 75-94-5
trichlorovinylsilane

: 78-08-0
Triethoxyvinylsilane

Conditions

Conditions	Yield
In dichloromethane at 50 - 80℃; for 3h;	99%
In dichloromethane at 50℃;	78%
With tin(IV) chloride; cyclohexene for 1h; Ambient temperature;	73.4%

: 998-30-1
Triethoxysilane

: 74-86-2
acetylene

: 78-08-0
Triethoxyvinylsilane

Conditions

Conditions	Yield
at 90℃; under 225.023 - 375.038 Torr; Temperature;	96.7%
With acetylacetonatodicarbonylrhodium(l) for 2h; the temperature did not rise above 45 deg C;	70%
With cyclopentadienylruthenium(II) trisacetonitrile hexafluorophosphate at 25℃; for 2h;	95 %Spectr.
With platinum on activated charcoal at 130℃; under 14710.2 Torr;

: 78-10-4
tetraethoxy orthosilicate

: 75-94-5
trichlorovinylsilane

A: 78-08-0
Triethoxyvinylsilane

B: 18187-22-9
vinyldi(ethoxy)chlorosilane

C: 56124-75-5
vinyl(ethoxy)dichlorosilane

Conditions

Conditions	Yield
at 20 - 22℃; for 150h;	A 2% B 95% C 1%

: 64-17-5
ethanol

: 75-94-5
trichlorovinylsilane

A: 78-08-0
Triethoxyvinylsilane

B: 3682-26-6
1,3-diivinyl-1,1,3,3-tetraethoxydisiloxane

Conditions

Conditions	Yield
In diethyl ether at 45 - 80℃; for 3h; Product distribution; different chlorosilanes, alcohols, solvents and reaction temperatures;	A 92.9% B 5.5%

: 74-85-1
ethene

: 998-30-1
Triethoxysilane

A: 78-07-9
ethyltriethoxy silane

B: 78-08-0
Triethoxyvinylsilane

Conditions

Conditions	Yield
With FeBr2(iPrPQpy); lithium triethylborohydride In toluene at 70℃; under 1520.1 Torr; for 2h; Inert atmosphere; Glovebox; Schlenk technique;	A 10% B 90%
With lithium triethylborohydride In toluene at 70℃; under 1520.1 Torr; for 2h; Inert atmosphere; Glovebox; Schlenk technique;	A 60% B 40%
With FeBr2(iPrPQpy); sodium triethylborohydride In toluene at 70℃; under 1520.1 Torr; for 2h; Catalytic behavior; Reagent/catalyst; Cooling;

: 998-30-1
Triethoxysilane

: 74-86-2
acetylene

A: 78-08-0
Triethoxyvinylsilane

B: 16068-37-4
1,2-bis(triethoxysilyl)ethane

Conditions

Conditions	Yield
With bis(triphenylphosphine)platinum(II) dichloride In benzene at 80℃; for 10h; Product distribution; other hydrosilanes; var. group-VIII metal phosphine complexes as catalysts, var. solvents, var. conc., var. temperatures and times;	A 86% B 3 % Chromat.
With bis(triphenylphosphine)platinum(II) dichloride In benzene at 80℃; for 10h;	A 86% B 3 % Chromat.
With dihydrogen hexachloroplatinate In benzene at 40℃; for 1h;	A 36% B 30%

: 74-85-1
ethene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

A: 78-07-9
ethyltriethoxy silane

B: 78-08-0
Triethoxyvinylsilane

Conditions

Conditions	Yield
With CoCl2(iPrPQpy); lithium triethylborohydride In toluene at 70℃; under 1520.1 Torr; for 2h; Inert atmosphere; Glovebox; Schlenk technique;	A 86% B 14%

: 75-94-5
trichlorovinylsilane

: 78-08-0
Triethoxyvinylsilane

Conditions

Conditions	Yield
With C2H5OH; pyridine	60.1%
With C2H5OH	50.4%

: 998-30-1
Triethoxysilane

: 74-86-2
acetylene

A: 78-08-0
Triethoxyvinylsilane

B: 91458-95-6
(E)-1,2-bis(triethoxysilyl)ethylene

Conditions

Conditions	Yield
With {palladium-dichloro-(P(C3H7)3)2} In xylene at 80℃; for 3h;	A 54% B 9%

: 78-10-4
tetraethoxy orthosilicate

: 75-94-5
trichlorovinylsilane

A: 1825-82-7
trichloroethoxysilane

B: 4667-38-3
dichlorodiethoxysilane

C: 4667-99-6
chlorotriethoxysilane

D: 78-08-0
Triethoxyvinylsilane

E: 18187-22-9
vinyldi(ethoxy)chlorosilane

F: 56124-75-5
vinyl(ethoxy)dichlorosilane

Conditions

Conditions	Yield
N,N-dimethyl-formamide at 90℃; for 5.5h; Product distribution; Thermodynamic data; Equilibrium constant; ΔG0, ΔH0;

...Expand

Triethoxyvinylsilane Chemical Properties

Molecule structure of Triethoxyvinylsilane (CAS NO.78-08-0):

IUPAC Name: Ethenyl(triethoxy)silane
Molecular Weight: 190.31222 g/mol
Molecular Formula: C₈H₁₈O₃Si
Density: 0.904 g/cm³
Melting Point: <0 °C
Boiling Point: 160.5 °C at 760 mmHg
Flash Point: 34.4 °C
Index of Refraction: 1.415
Molar Refractivity: 52.78 cm³
Molar Volume: 210.5 cm³
Surface Tension: 22.3 dyne/cm
Enthalpy of Vaporization: 38.08 kJ/mol
Vapour Pressure: 3.09 mmHg at 25 °C
Storage Temp.: flammables area
Water Solubility: decomposes
Sensitive Moisture: sensitive
H-Bond Acceptor: 3
Rotatable Bond Count: 7
Exact Mass: 190.102521
MonoIsotopic Mass: 190.102521
Topological Polar Surface Area: 27.7
Heavy Atom Count: 12
Canonical SMILES: CCO[Si](C=C)(OCC)OCC
InChI: InChI=1S/C8H18O3Si/c1-5-9-12(8-4,10-6-2)11-7-3/h8H,4-7H2,1-3H3
InChIKey: FWDBOZPQNFPOLF-UHFFFAOYSA-N
EINECS: 201-081-7
Product Categories: Vinyl;Silicone series;Functional Materials;Si (Classes of Silicon Compounds);Silane Coupling Agents;Si-O Compounds;Trialkoxysilanes;Vinyl Silanes (Silane Coupling Agents);Vinylsilanes, Allylsilanes;Adhesion Promoters;Coupling Agents;Surface Modifiers;Silane series

Triethoxyvinylsilane Uses

Triethoxyvinylsilane (CAS NO.78-08-0) is used in silane cross-linked polyethylene cables and pipes. It is also used as hydrophobic agent and the glass fiber surface treatment agent.

Triethoxyvinylsilane Toxicity Data With Reference

1.	skn-rbt 500 mg open MLD	UCDS** Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 7/10 ,1967.
2.	eye-rbt 500 mg	AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61.
3.	orl-rat LD50:22,500 mg/kg	AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61.
4.	ihl-rat LCLo:4000 ppm/4H	AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61.

Triethoxyvinylsilane Consensus Reports

Reported in EPA TSCA Inventory.

Triethoxyvinylsilane Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 10-36/37
R10:Flammable.
R36/37:Irritating to eyes and respiratory system.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
RIDADR: UN 1993 3/PG 3
WGK Germany: 2
RTECS: VV6700000
F: 21
TSCA: Yes
HazardClass: 3
PackingGroup: III
HS Code: 29310095
Mildly toxic by ingestion and inhalation. A skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

Triethoxyvinylsilane Specification

Triethoxyvinylsilane (CAS NO.78-08-0) is also named as 4-04-00-04256 (Beilstein Handbook Reference) ; AI3-51468 ; BRN 1767229 ; CCRIS 2645 ; KBE 1003 ; NV 1107 ; Polyscience VTES ; Silane A 151 ; Silane, vinyl triethoxy 1-151 ;
Triethoxyvinylsilicane ; Union carbide A-151 ; VTES ; VTS-E ; Vinyltriethoxysilane . Triethoxyvinylsilane (CAS NO.78-08-0) is pale yellow to colorless liquid.

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