Vinyltrimethoxysilane
Synonym(s):(Trimethoxysilyl)ethylene;Ethenyltrimethoxysilane;Trimethoxy(vinyl)silane;Trimethoxyvinylsilane;Vinyltrimethoxysilane
- CAS NO.：2768-02-7
- Empirical Formula: C5H12O3Si
- Molecular Weight: 148.23
- MDL number: MFCD00008605
- EINECS: 220-449-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:28
What is Vinyltrimethoxysilane?
Chemical properties
Colorless transparent liquid
The Uses of Vinyltrimethoxysilane
VTMS may be used to provide superhydrophobicity to different materials like TiO2, talc, kaolin, magnesium oxide nanoparticles, ammonium phosphate and PEDOT. It modifies the surface by capping the material and creates a protective layer that is water resistant and can be used in major coating industries.
General Description
Vinyltrimethoxysilane (VTMS) is a silane coupling agent with silicon and hydroxyl groups that can be used to enhance the wettability and improve the superhydrophobic characteristics of different composites.
Flammability and Explosibility
Flammable
Properties of Vinyltrimethoxysilane
| Melting point: | <-70°C |
| Boiling point: | 123 °C (lit.) |
| Density | 0.968 g/mL at 25 °C (lit.) |
| vapor pressure | 88 hPa (55 °C) |
| refractive index | n |
| Flash point: | 73 °F |
| storage temp. | Store below +30°C. |
| form | liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.970 |
| explosive limit | 1.1%(V) |
| Water Solubility | slightly soluble |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1099136 |
| CAS DataBase Reference | 2768-02-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Vinyltrimethoxysilane(2768-02-7) |
| EPA Substance Registry System | Vinyltrimethoxysilane (2768-02-7) |
Safety information for Vinyltrimethoxysilane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H317:Sensitisation, Skin H332:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
Computed Descriptors for Vinyltrimethoxysilane
| InChIKey | NKSJNEHGWDZZQF-UHFFFAOYSA-N |
Vinyltrimethoxysilane manufacturer
Remark Chemical Enterprises
Madhya Pradesh
product: Vinyl Trimethoxysilane, For Xlpe Compounding, Color Less
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