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| CAS No.: | 2768-02-7 |
|---|---|
| Name: | Vinyltrimethoxysilane |
| Article Data: | 23 |
| Molecular Structure: | |
|
|
|
| Formula: | C5H12O3Si |
| Molecular Weight: | 148.234 |
| Synonyms: | Silane,trimethoxyvinyl- (6CI,7CI,8CI);(Trimethoxysilyl)ethene;A 171 (silanederivative);CV 4917;DB 171;Dynasylan Si 108;Dynasylan Silfin;DynasylanVTMO;EMI 1833;Ethenyltrimethoxysilane;Geniosil XL 10;KBM 1003;KH 171;KH921;LS 815;NUC-Y 9818;Penta 1002;Q 9-6300;SB 6301;SH 6300;SIV9220.0;SL 815;SZ 6300;Sigma T 5051;Sila-Ace S 210;Silfin 22;Silox VS 911;Silquest A 171;TSL 8310;Trimethoxyvinylsilane;U 611;V 0042;V 4917;VTMO;VTMS;VTS-M; |
| EINECS: | 220-449-8 |
| Density: | 0.921 g/cm3 |
| Melting Point: | <-70 °C |
| Boiling Point: | 122.999 °C at 760 mmHg |
| Flash Point: | 22.778 °C |
| Solubility: | slightly soluble in water |
| Appearance: | Colorless transparent liquid |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 10-36/37/38 |
| Safety: | 26-36/37/39-37/39-16 |
| Transport Information: | UN 1993 3/PG 2 |
| PSA: | 27.69000 |
| LogP: | 0.58970 |
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Chemistry
The Molecular Structure of Vinyltrimethoxysilane (CAS NO.2768-02-7):
Empirical Formula: C5H12O3Si
Molecular Weight: 148.2325
IUPAC Name: ethenyl(trimethoxy)silane
Appearance: Colorless transparent liquid
Product Categories: 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
Nominal Mass: 148 Da
Average Mass: 148.2325 Da
Monoisotopic Mass: 148.05557 Da
Index of Refraction: 1.398
Molar Refractivity: 38.89 cm3
Molar Volume: 160.9 cm3
Surface Tension: 19.4 dyne/cm
Density: 0.92 g/cm3
Flash Point: 22.8 °C
Enthalpy of Vaporization: 34.61 kJ/mol
Boiling Point: 123 °C at 760 mmHg
Vapour Pressure: 16.4 mmHg at 25°C
Water Solubility: slightly soluble
Sensitive: Moisture Sensitive
Uses
Vinyltrimethoxysilane (CAS NO.2768-02-7) can be used as cross-linking agent, coupling agent and glass fiber treatment agent.
Toxicity Data With Reference
| 1. | skn-rbt 500 mg/24H MLD | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1224. | ||
| 2. | eye-rbt 500 mg/24H MLD | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1224. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
A skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: 
Xi
Risk Statements: 10-36/37/38
R10: Flammable
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36/37/39-37/39-16
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
S37/39: Wear suitable gloves and eye/face protection
S16: Keep away from sources of ignition
RIDADR: UN 1993 3/PG 2
WGK Germany: 1
RTECS: VV6770000
F: 10-21
F 10: Keep under argon
F 21: Sensitive to humidity.
TSCA: Yes
HazardClass: 3
PackingGroup: III
HS Code: 29310095
Specification
Vinyltrimethoxysilane (CAS NO.2768-02-7) is also called as (Trimethoxysilyl)ethene ; Silane, ethenyltrimethoxy- ; Trimethoxyvinylsilane ; Vinyl trimethoxy silane ; Silane, ethenyltrimethoxy- ; Silane, trimethoxyvinyl- ; Silane, trimethoxyvinyl- .Storage of Vinyltrimethoxysilane (2768-02-7): Always keep in containers of same material as the original one. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Keep away from water. Protect from heat and direct sunlight. Protect from atmospheric moisture and water. Keep container tightly closed and dry in a cool, well-ventilated place.