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Silquest A-171 Vinyltrimethoxysilane VTMO KBM-1003 CAS 2768-02-7¹

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Product Description Product DescriptionVinyltrimethoxysilane, also known as A-171, KBM-1003 or Y-4302, 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. Vinyltrimethoxysilane is widely used in various industrial applications, particularly in the fields of materials science, coatings, adhesives, and surface treatments.One of the key properties of vinyltrimethoxysilane is its ability to undergo hydrolysis in the presence of water. This hydrolysis reaction results in the formation of silanol groups (-SiOH) on the surface of the material being treated. These silanol groups can further condense with other silanol groups or react with other functional groups, allowing for the cross-linking and polymerization of the compound.The vinyl functional group (CH2=CH-) in vinyltrimethoxysilane provides it with unique characteristics. It enables the compound to participate in a range of chemical reactions, such as copolymerization and grafting onto polymer surfaces. This reactivity makes it a valuable precursor for the synthesis of various polymers, coatings, and adhesives, allowing for enhanced material properties, such as improved adhesion, durability, and chemical resistance.Vinyltrimethoxysilane finds applications in industries such as automotive, electronics, construction, and textiles. It is commonly used as a coupling agent, which promotes adhesion between organic polymers and inorganic surfaces, such as glass, metal, or mineral fillers. By forming a strong bond between the organic and inorganic phases, it enhances the mechanical properties and stability of composite materials.Moreover, vinyltrimethoxysilane is employed as a surface treatment agent, promoting the hydrophobicity and oleophobicity of various substrates. This can lead to water repellency, stain resistance, and anti-fouling properties in coatings and textiles.However, it is important to note that vinyltrimethoxysilane is a reactive compound and requires careful handling. It is sensitive to moisture and should be stored in a dry environment to prevent premature hydrolysis. Adequate safety precautions and good ventilation should be maintained when working with this chemical.Overall, vinyltrimethoxysilane is a versatile and valuable organosilane compound, widely utilized in industrial applications to improve material properties, enhance adhesion, and provide surface modifications. Its unique reactivity and functionality make it an essential component in the development of advanced materials and technologies.Fetures1. Hydrolysis: Vinyltrimethoxysilane is susceptible to hydrolysis, meaning it reacts with water molecules. This property enables it to form silanol (-SiOH) groups on surfaces, facilitating adhesion and surface modification.2. Reactivity: The vinyl functional group (CH2=CH-) in vinyltrimethoxysilane allows it to engage in various chemical reactions. It can undergo copolymerization, grafting, and cross-linking reactions, leading to the synthesis of polymers with enhanced properties.3. Adhesion Promotion: Vinyltrimethoxysilane acts as a coupling agent, promoting adhesion between organic polymers and inorganic surfaces, such as glass, metals, or mineral fillers. It forms strong bonds at the interface, enhancing the mechanical strength and durability of composite materials.4. Surface Modification: By treating surfaces with vinyltrimethoxysilane, hydrophobic (water-repellent) and oleophobic (oil-repellent) properties can be imparted. This makes it useful for creating water-resistant coatings, stain-resistant surfaces, and anti-fouling treatments.5. Material Compatibility: Vinyltrimethoxysilane exhibits compatibility with various materials, including polymers, metals, ceramics, and glass. This broad compatibility allows for its widespread application across different industries.6. Thermal Stability: Vinyltrimethoxysilane demonstrates good thermal stability, making it suitable for use in applications that involve high temperatures.7. Volatility: Vinyltrimethoxysilane has moderate volatility, meaning it can evaporate or sublime at a relatively low rate. This characteristic can be advantageous for certain applications, such as thin-film deposition processes. 8. Chemical Resistance: The presence of the trimethoxysilyl groups in vinyltrimethoxysilane contributes to its chemical resistance. It can withstand exposure to acids, bases, and various solvents, enhancing the durability and longevity of treated materials.Applications1. Adhesion PromoterVinyltrimethoxysilane 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 TreatmentThe hydrolysis of vinyltrimethoxysilane generates silanol groups on surfaces, allowing for surface modifications and functionalization. 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 ModificationVinyltrimethoxysilane acts 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 AgentVinyltrimethoxysilane 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. This cross-linking process enhances the mechanical strength, heat resistance, and chemical stability of the final products.5. Water-Repellent CoatingsDue to its hydrophobic properties, vinyltrimethoxysilane 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 IndustryVinyltrimethoxysilane is employed as an additive in concrete formulations. It enhances the bonding between cement and aggregates, improving the strength, durability, and water resistance of concrete structures. It is also used in the construction industry as a surface treatment agent for protecting and waterproofing building materials.7. Electronics and Electrical IndustryVinyltrimethoxysilane is utilized in electronics and electrical applications as a coating material, especially for electronic components and circuit boards. It provides moisture resistance, insulation, and adhesion properties, improving the reliability and performance of electronic devices.8. Textile IndustryVinyltrimethoxysilane is used in the textile industry to impart water repellency and stain resistance to fabrics. It enhances the durability and functionality of textiles, making them suitable for outdoor and technical applications.Specifications Cas No.2768-02-7Molecular FormulaC5H12O3SiMolecular Weight148.23AppearanceColorless liquidFlash point, Tag closed cup31oCBoiling point at 760mmHg123oCRefractive index1.393Density0.97g/mLPurity96% MinStorage & PackageStorage: Store in a tightly sealed container and put it in a cool, dry, ventilated place.Package: 200kg/drum or as per your particular request.Beijing Entrepreneur Science & Trading Co., Ltd. was established in the year 2001. We are focused on import and export business of high-quality specialty chemicals. Since its establishment, relying on diligent efforts, spirit of enterprising and professional services, the company has established extensive cooperation with world-famous chemical manufacturers and gained a good reputation in China chemical industry.We have stable distribution cooperation with world leading suppliers from America, Europe, Japan and Taiwan. We are distributors of Ames Advantage Material, Novamet, Lanxess, Momentive, Potters, Rhodia, Roquette, Oerlikon Metco, Inovyn, KJ Chemical, Tokuyama, Mitsubishi Chemical, Chang Chun Group, etc. Our products selling in China include Conductive Powder, Thermal Conductive Powder, Microwave Absorbing Powder, Acrylamide Functional Monomer and Special UV Monomer, Special Epoxy Resin, Mercaptan Curing Agent, Silane, Fumed Silica and Precipitated Silica, PVC Paste Resin, PVA, Carbon Black, Modified Starch, Photocatalyst, Formaldehyde Capture agent, Root Blocking Agent, Platinum Catalyst, Vinyl Silicone Oil, Surfactant, etc.In 2014, the company entered the chemical export business. Based on our understanding of China chemical market, we select most qualified suppliers. We are able to source raw materials directly from factories. Most of our partners are the largest factory in China with over 20 years history. They have huge annual outputs, and hold ISO9001, ISO14001, GMP, KOSHER, HALAL, FDA, GSP, etc. certificates. Our export products include Conductive Powder, Thermal Conductive Powder, Plant Extract, Inorganic Powder, Plasticizer, PVC Paste Resin, Silane, Flavors and Fragrances, Salen Catalysts and Ligands, Organic Intermediates, Pharmaceutical Intermediates. We are proud to serve industries such as coating, ink, sealant, industrial, cosmetics, conductive powder, thermal conductive powder, pharmaceutical, flavor & fragrance, aroma, as well as many others. We will support our customers in a continuous way in the following:1. Timely feedback to inquiry within 24 hours2. Pre-sales consultancy 3. Supply samples 4. Competitive price5. Good packaging6. Timely delivery7. Small order is available8. Good after sales services9. Provide TDS, COA, commercial invoice, packing list and certificate of origin. Special requirements also could be discussed and met. Can I request samples?Yes, absolutely! We offer free samples of specified quantities. You only need to cover the freight charges.Which documents are provided?We provide essential documents such as Certificate of Analysis (COA), Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and more upon request.What is your Minimum Order Quantity (MOQ)?Typically, our MOQ is one standard package. However, we understand the importance of testing before committing to a mass order, so we offer free samples for your evaluation.How do you ensure the quality of your products?We prioritize quality assurance through several measures:1. Expert Staff: Our team comprises professionals with extensive experience in chemical products or related fields. They undergo comprehensive training before providing any quotations.2. Sample Availability: We offer free samples or pre-shipment samples for new collaborations, ensuring that our commercial products match the specifications provided to customers.3. Third-Party Inspection: Upon request, we can arrange Third-Party Inspections, such as SGS, to further validate the quality of our products before shipping.How do I make payments?Once you receive the Proforma Invoice (PI) along with our product specifications, you can proceed with payment. We accept various payment methods including Telegraphic Transfer (T/T), Letter of Credit (LC), and more.What is your after-sales service like?At Beijing Entrepreneur Science & Trading Co., Ltd., we prioritize fostering long-term relationships with all our customers. For every order, we ensure transparency and commitment by signing a legally binding sales contract. Should you have any doubts or concerns regarding our products or services, please do not hesitate to contact us. Your satisfaction and trust are our top priorities.Can I use my own label or packaging?Absolutely. If required, we can use labels or packaging according to your specifications and preferences. Your branding and packaging needs are important to us, and we'll ensure they are met to your satisfaction.

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