Basic Information
Coupling Agent Vinyltrimethoxysilane (VTMO) CAS 2768-02-7
| Chemical Name | Vinyltrimethoxysilane |
| Cas No. | 2768-02-7 |
| Formula | C5H12O3Si |
| Color | Colorless |
| Appearance | Clear liquid |
| Purity | min 99% |
| Molecular Weight | 148.23 |
| Boiling Point ( C. Deg) | 88°C /15mmHg |
| Density (ρ20 )g/cm3 | 0.960-0.980 |
| Refractive Index(n25D) | 1.3920-1.3940 |
Products Description
What is Vinyltrimethoxysilane CAS 2768-02-7?
Vinyltrimethoxysilane, also known as Trimethoxyvinylsilane,Vinyl Trimethoxysilane, is an organosilicon compound with the chemical formula CH2=CHSi(OCH3)3. It is a clear, colorless liquid that belongs to the class of organosilanes, which are silicon compounds containing organic functional groups. VTMO is widely used in various industrial applications, particularly in the fields of materials science, coatings, adhesives, and surface treatments.


Applications:
1.Coupling Agent
Vinyltrimethoxysilane is widely used as an adhesion promoter or coupling agent. It improves the adhesion between organic polymers and inorganic surfaces, such as glass, metals, and minerals. It is employed in the production of composites, coatings, and adhesives to enhance the bonding strength and durability of materials.
2. Surface Treatment
It is used as a surface treatment agent to enhance the hydrophobicity, oleophobicity, and chemical resistance of substrates. This property is utilized in coatings, textiles, and various surface protection applications.

3. Polymer Modification
Trimethoxyvinylsilane is used as a reactive monomer in polymerization processes. It can be copolymerized with other monomers to introduce vinyl groups into the polymer backbone, resulting in enhanced properties such as improved adhesion, flexibility, and chemical resistance. It is used in the production of resins, elastomers, and polymer composites.
4. Silane Cross-Linking Agent
VTMO is employed as a cross-linking agent for silane-based systems. It reacts with other silanes or silanol groups, facilitating the cross-linking and polymerization of polymers, coatings, and sealants.
5. Water-Repellent Coatings
Due to its hydrophobic properties, VTMO is utilized in the formulation of water-repellent coatings. It can be applied to various surfaces, including glass, ceramics, and textiles, to create protective coatings that repel water, prevent staining, and provide easy-to-clean properties.
6. Concrete and Construction Industry
It is employed as an additive in concrete formulations. It is also used in the construction industry as a surface treatment agent for protecting and waterproofing building materials.
7. Electronics and Electrical Industry
It is utilized in electronics and electrical applications as a coating material, especially for electronic components and circuit boards.
8. Textile Industry
Used in the textile industry to impart water repellency and stain resistance to fabrics.
Why choose GNEE BIO?
1: Price - Competitive and reasonable price
2: After-sales service - Efficient and reliable after-sales service
3: Specialized, safe and fast delivery
4: Customization - Customized labels and packaging; OEM/ODM service
5: Storage - Sufficient stock in China warehouse
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Packaging & Shipping
| Cargo weight | Packing | Shipping method | Lead-time |
| 1-50kg | Below 5kg Use Foil bag; 5-25kg use two layer PP bag,then into master carton or cardboard drum |
International express (Fedex/ DHL/UPS) |
1~3 days after payment |
| 100-200kg | 25kg/drum,use two layer PP bag,then into cardboard drum | Air shipping Sea Shipping |
5~7 days after payment |
| Over 500kg | 25kg/drum,use two layer PP bag,then into cardboard drum | Sea shipping | 7~10 days after payment |

Company Profile
GNEE BIO is located in Anyang City, Henan Province, China. It is a well-known supplier and manufacturer of chemical raw materials in China. We provide basic chemical raw materials, organic solvents, pharmaceutical intermediates, and other cost-effective chemical products to domestic and international chemical manufacturers and fine chemical product producers.
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FAQ
Q1: Quality Assurance
A1: GNEE BIO strictly controls the quality of the products, and all products comply with relevant national standards to ensure that it provides customers with the highest quality products.
Q2:Lead-time and Freight
A2: Only need 1-3 workdays for most goods in stock. Delivery time is around 3-7 business days by DHL,FedEx,UPS.
Q3:Terms of Payment
A3: T/T, 30% deposit will be required before the mass production and 70% balance which will be paid before sending the order.
Q4:Sample order
A4:We accept sample order.Free sample can be supplied if need.
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