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| CAS No.: | 2031-67-6 |
|---|---|
| Name: | Methyltriethoxysilane |
| Molecular Structure: | |
|
|
|
| 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 |
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| Conditions | Yield |
|---|---|
| In ethanol for 3h; | 99% |
| Conditions | Yield |
|---|---|
| With polyaniline at 50 - 55℃; for 5h; | 98.3% |
| 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 | Yield |
|---|---|
| With zinc(II) chloride In toluene at 0℃; for 5h; | A 90% B 88% |
- 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 | Yield |
|---|---|
| at 20 - 22℃; for 150h; | A 12% B 80% C 6.5% |
- 18055-95-3
penta-Si-ethoxy-Si-methyl-Si,Si'-methanediyl-bis-silane
- 2031-67-6
Methyltriethoxysilan
| 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 | Yield |
|---|---|
| [RuCl(NCCH3)5][RuCl4(NCCH3)2] at 100℃; for 2h; | A 12 % Chromat. B 55% |
| Conditions | Yield |
|---|---|
| In benzene at 100℃; for 30h; Inert atmosphere; | 47% |
| 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
| Conditions | Yield |
|---|---|
| With hydrogenchloride In toluene at 40℃; for 8h; | A 41% B 20% C 40% |
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- Total:30 Page 1 of 1 1
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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