CAS No.2031-67-6,Methyltriethoxysilane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	2031-67-6
Name:	Methyltriethoxysilane
Article Data:	62

Formula:	C₇H₁₈O₃Si
Molecular Weight:	178.304
Synonyms:	A162;Dynasylan MIES;ICI-EP 5850;KBE 13LS1890;LS1890;MTES;Methaneorthosiliconic acid, triethyl ester;Monomethyltriethoxysilane;ND 27;NSC 5226;SIM 6555.0;SZ 6072;SZ 6383;Silquest A 162;TSL 8123;Triethoxymethylsilane;Triethoxysilylmethane;
EINECS:	217-983-9
Density:	0.896 g/cm³
Melting Point:	<-40°C
Boiling Point:	144.5 °C at 760 mmHg
Flash Point:	23.9 °C
Solubility:	insoluble in water
Appearance:	Colorless clear liquid
Hazard Symbols:	R10:;
Risk Codes:	10
Safety:	16
Transport Information:	UN 1993 3/PG 3
PSA:	27.69000
LogP:	1.66460

Synthetic route

: 75-79-6
Methyltrichlorosilane

: 141-52-6
sodium ethanolate

: 2031-67-6
Methyltriethoxysilan

Conditions

Conditions	Yield
In ethanol for 3h;	99%

: 75-79-6
Methyltrichlorosilane

: 64-17-5
ethanol

: 2031-67-6
Methyltriethoxysilan

Conditions

Conditions	Yield
With polyaniline at 50 - 55℃; for 5h;	98.3%

: 2031-62-1
diethoxymethylane

A: 992-94-9
methylsilane

B: 2031-67-6
Methyltriethoxysilan

Conditions

Conditions	Yield
dimethyltitanocene at 50℃; for 0.5h;	A 87% B 96%
dimethyltitanocene at 50℃; for 0.5h; various silanes, other amount if dimethyltitanocene, with solvent, other time and temp.;	A 87% B 96%
With sodium t-butanolate In toluene at 20℃; Inert atmosphere;
With sodium t-butanolate In tetrahydrofuran-d8 at 20℃; for 0.166667h; Sealed tube; Inert atmosphere;

: 71520-43-9
tris(ethylthio)methylsilane

: 122-51-0
orthoformic acid triethyl ester

A: 6267-24-9
tris(ethylsulfanyl)methane

B: 2031-67-6
Methyltriethoxysilan

Conditions

Conditions	Yield
With zinc(II) chloride In toluene at 0℃; for 5h;	A 90% B 88%

...Expand

: 75-79-6
Methyltrichlorosilane

: 78-10-4
tetraethoxy orthosilicate

A: 1825-75-8
ethoxy(methyl)dichlorosilane

B: 18157-20-5
chloro(diethoxy)(methyl)silane

C: 2031-67-6
Methyltriethoxysilan

Conditions

Conditions	Yield
at 20 - 22℃; for 150h;	A 12% B 80% C 6.5%

...Expand

: 18055-95-3
penta-Si-ethoxy-Si-methyl-Si,Si'-methanediyl-bis-silane

: 2031-67-6
Methyltriethoxysilan

Conditions

Conditions	Yield
With potassium hydroxide In ethanol Heating;	70%

: 2031-62-1
diethoxymethylane

: 5507-44-8
methylvinyldiethoxysilane

A: 2031-67-6
Methyltriethoxysilan

B: 18043-74-8
1,2-bis(diethoxymethylsilyl)ethane

Conditions

Conditions	Yield
[RuCl(NCCH3)5][RuCl4(NCCH3)2] at 100℃; for 2h;	A 12 % Chromat. B 55%

...Expand

: 78-10-4
tetraethoxy orthosilicate

: [MnMe(μ-Me)(1,3-bis(2,4,6-trimethylphenyl)imidazole-2-ylidene)]2

: 2031-67-6
Methyltriethoxysilan

Conditions

Conditions	Yield
In benzene at 100℃; for 30h; Inert atmosphere;	47%

: 78-10-4
tetraethoxy orthosilicate

: [MnMe(μ-Me)(1,3-diisopropyl-4,5-dimethylimidazole-2-ylidene)]2

: 2031-67-6
Methyltriethoxysilan

Conditions

Conditions	Yield
In benzene at 80℃; for 60h; Inert atmosphere; Schlenk technique;	43%

: 71520-43-9
tris(ethylthio)methylsilane

: 5783-79-9
2-Ethoxy-5,5-dimethyl-1,3-dioxane

A: 6267-24-9
tris(ethylsulfanyl)methane

B: 2031-67-6
Methyltriethoxysilan

C: 2-ethoxy-2,5,5-trimethyl-1,2-dioxa-2-silacyclohexane

Conditions

Conditions	Yield
With hydrogenchloride In toluene at 40℃; for 8h;	A 41% B 20% C 40%

...Expand

Raw Materials

107-05-1

544-97-8

75-54-7

74-87-3

78-10-4

15267-95-5

122-51-0

75-79-6

Downstream Products

78-62-6

373-74-0

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Chemistry

IUPAC Name: triethoxy(methyl)silane
Empirical Formula: C₇H₁₈O₃Si
Molecular Weight: 178.3015
EINECS: 217-983-9
Structure of Silane,triethoxymethyl- (CAS NO.2031-67-6):

Index of Refraction: 1.401
Molar Refractivity: 48.43 cm³
Molar Volume: 198.9 cm³
Polarizability: 19.19×10^-24cm³
Surface Tension: 21.5 dyne/cm
Density: 0.896 g/cm³
Flash Point: 23.9 °C
Enthalpy of Vaporization: 36.59 kJ/mol
Melting Point: <-40°C
Boiling Point: 144.5 °C at 760 mmHg
Vapour Pressure: 6.38 mmHg at 25°C
Storage temp: Flammables area
Water Solubility: INSOLUBLE
Sensitive: Moisture Sensitive
Physical Appearance: Colorless clear liquid
Stability: Stability Moisture-sensitive. Flammable - note low flash point. Incompatible with acids, oxidizing agents, moisture, water.
Product Categories: Silicone series;Functional Materials;Si (Classes of Silicon Compounds);Silane Coupling Agents;Silane Coupling Agents (Intermediates);Si-O Compounds;Trialkoxysilanes;Alkoxy Silanes;Crosslinkers;Crosslinking Agents;Silane series
Canonical SMILES: CCO[Si](C)(OCC)OCC
InChI: InChI=1S/C7H18O3Si/c1-5-8-11(4,9-6-2)10-7-3/h5-7H2,1-4H3
InChIKey: CPUDPFPXCZDNGI-UHFFFAOYSA-N
Synonyms of Silane,triethoxymethyl- (CAS NO.2031-67-6): 4-04-00-04204 (Beilstein Handbook Reference) ; Methaneorthosiliconic acid, triethyl ester ; Methyl triethoxysilane ; Methyltriethoxysilane ; NSC 5226 ; Silane, methyltriethoxy- ; Triethoxymethylsilane ; Triethoxysilylmethane

Toxicity Data With Reference

1.	skn-rbt 500 mg/24H MLD	28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,219.
2.	eye-rbt 89 mg	JIHTAB Journal of Industrial Hygiene and Toxicology. 30 (1948),332.
3.	eye-rbt 500 mg/24H MLD	28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,219.
4.	orl-rat LDLo:15,700 mg/kg	28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,219.
5.	ihl-rat LCLo:4000 ppm/8H	JIHTAB Journal of Industrial Hygiene and Toxicology. 30 (1948),332.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by ingestion and inhalation. A skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
The Risk Statements information of Silane,triethoxymethyl- (CAS NO.2031-67-6):
10: Flammable
The Safety Statements information of Silane,triethoxymethyl- (CAS NO.2031-67-6):
16: Keep away from sources of ignition - No smoking
RIDADR:UN 1993 3/PG 3
WGK Germany:3
RTECS:VV4640000
F:10-21
TSCA:Yes
HazardClass:3