Silane msds

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Silanes act as molecular bridges between organic and inorganic materials and are used as adhesion promoters in a wide range of applications. Silanes are the starting materials and the main ingredients in silicone production. Silicates are produced from tetrafunctional silanes. Special silanes are used as synthetic building blocks in the chemical and pharmaceutical industries.

Organofunctional silanes are hybrid compounds that combine the functionality of a reactive organic group with the inorganic functionality of an alkyl silicate in a single molecule.

Dynabeads™ MyOne™ Silane

As a result, organofunctional silanes can be used as molecular bridges between organic and inorganic materials. This bridging property is highly important in many applications and industries.

Silanes are colorless, clear, volatile liquids that are soluble in organic solvents - including alcohol in some cases. A mixture of silanes and siloxanes can be used to achieve the desired balance between penetration behavior and surface effects. Silanes with a creamy consistency can be easily applied to vertical surfaces in large amounts and feature a relatively long contact time between the silane and surface.

This intensifies the penetration and therefore improves the overall performance. Silane-based emulsions can be diluted with water or easily incorporated into water-based formulations without high-shear mixing. Silane-based powders are ideal for adjusting the hydrophobic properties of dry-mix compositions to meet requirements. Silane-siloxane-based concentrates can be diluted with organic solvents for use as highly effective water-repellent agents.

Treated substrates are permanently protected. Silane-siloxane-based silicone microemulsion concentrates, form dilute microemulsions in water. They feature excellent penetration behavior and have many potential applications. Silicates are derived from oligosilicic acids and differ from silicones in their residual alcohol-group content. Further curing takes place by the addition of catalysts, such as sulfuric acid.

Silicates include all salts and esters of silicic acid. Organic silicates, such as esters of mono- and di-silicic acid can only be produced synthetically.

Silanes, Siloxanes & Silicates

With the exception of alkali silicates water glassthe inorganic silicates form an important group of naturally occurring silicon-oxygen compounds silicate materials. Potassium methyl siliconate is a highly alkaline aqueous solution.

Diluted with water, it is used for in-plant water-repellent impregnation of heavy clay products such as roofing tiles, floor tiles and flowerpots.

After the water has evaporated, the potassium methyl siliconate reacts with atmospheric carbon dioxide CO 2. This produces potassium carbonate K 2 CO 3 and the water-repellent agent poly methyl silicic acid.

Find out more about silicones and their properties, as well as the variety of potential applications. We use cookies and similar technologies to ensure that you experience an optimum website design and to enable us to constantly improve our website. By continuing to use this website, you consent to the use of cookies. Our privacy policy contains detailed information about the use of cookies on this website and about how to withdraw your consent.

Applications Adhesion promoter and coupling agent for better anchorage of coatings, adhesives and sealants to many different substrates Surface modifiers for optimizing compatibility and permitting the chemical bonding of inorganic fillers to organic polymers Curing agents for organic polymers, for example in moisture-curing adhesives and sealants, paints and coatings Water scavengers in moisture-curing polymers Crosslinkers for polyethylene in the production of heat-resistant pipes or insulating cable sheathing Water-repellent agents for protecting construction materials Silylating agent Dielectrics in semiconductor components.Your new online MSDS binder is a place for you to store the material safety data sheets you need to deploy.

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silane msds

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silane msds

Account Summary.What is this information? Department of Transportation hazard labels, and a general description of the chemical. Flammability 4 Burns readily. Rapidly or completely vaporizes at atmospheric pressure and normal ambient temperature.

Instability 3 Capable of detonation or explosive decomposition or explosive reaction but requires a strong initiating source or must be heated under confinement before initiation. Silane is a colorless, flammable and poisonous gas, with a strong repulsive odor.

It is easily ignited in air, reacts with oxidizing agents, is very toxic by inhalation, and is a strong irritant to skin, eyes and mucous membranes. Silane is lighter than air. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. It is used in the production of amorphous silicon. The Hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents.

Highly flammable. Slowly reacts with water to form silicon hydroxides and hydrogen gas. Will be easily ignited by heat, sparks or flames.

Will form explosive mixtures with air. Silane UN will ignite spontaneously in air. Those substances designated with a P may polymerize explosively when heated or involved in a fire. Vapors from liquefied gas are initially heavier than air and spread along ground. Vapors may travel to source of ignition and flash back.

Cylinders exposed to fire may vent and release flammable gas through pressure relief devices. Containers may explode when heated.

Ruptured cylinders may rocket. ERG, Some may be toxic if inhaled at high concentrations. Silane burns in contact with bromine, chlorine or covalent chlorides carbonyl chloride, antimony pentachloride, tin IV chloride. Even traces of the free halogens may cause violent explosions, when handling silane, extreme caution should be taken, [Mellor,Vol. Mixtures of silane and nitrogen oxides, nitrous oxide, detonate very easily, [Chem.

Nitrides, Phosphides, Carbides, and Silicides. The Response Recommendation fields include isolation and evacuation distances, as well as recommendations for firefighting, non-fire response, protective clothing, and first aid.Good products alone are not enough. Water-borne silane binders for corrosion protection formulations are environmentally friendly, releasing almost no volatile organic substances.

For example, the zinc dust can be directly added to the binder, like in the formulation of traditional solvent-borne zinc silicate paints.

Even though aluminum is less corrosive than other metal substrates, it may be necessary to protect the blank aluminum surface as well as HDG steel against corrosion. To protect these substrates against corrosion, even dry film thicknesses as low as to nm are effective.

Formulations based on this water-borne binder are almost VOC-free, show a high heat resistance and cure at room temperature. In contrast to current solutions the binder contains neither heavy metals nor fluorides. A film thickness of just to nm is all that is needed for the corrosion protection of the aluminum surface.

Silanes are used in a large variety of high performance coatings, metal treatment and resin systems. Usually known as adhesion promoters they act as a binding agent between organic resins and inorganic substrates. Furthermore, they are used to modify organic resins and even for the synthesis of resins. Recently introduced in the market are water-borne binders on the basis of silanes. Previous Next. Evonik's coatings - One partner. Many experts. UL Prospector - All coating products at a glance.

European Coatings Journal.Vinylsilane disilane trisilane. Silane is an inorganic compound with chemical formulaSi H 4making it a group 14 hydride. It is a colourless, pyrophorictoxic gas with a sharp, repulsive smell, somewhat similar to that of acetic acid.

Silane can be produced by several routes. It is also prepared from metallurgical grade silicon in a two-step process. The trichlorosilane is then converted to a mixture of silane and silicon tetrachloride. This redistribution reaction requires a catalyst:. The most commonly used catalysts for this process are metal halidesparticularly aluminium chloride. This is referred to as a redistribution reactionwhich is a double displacement involving the same central element.

It may also be thought of as a disproportionation reaction even though there is no change in the oxidation number for silicon Si has a nominal oxidation number IV in all three species. However, the utility of the oxidation number concept for a covalent molecule, even a polar covalent molecule, is ambiguous. The silicon atom could be rationalized as having the highest formal oxidation state and partial positive charge in SiCl 4 and the lowest formal oxidation state in SiH 4 since Cl is far more electronegative than is H.

An alternative industrial process for the preparation of very high purity silane, suitable for use in the production of semiconductor grade silicon, starts with metallurgical grade silicon, hydrogen, and silicon tetrachloride and involves a complex series of redistribution reactions producing byproducts that are recycled in the process and distillations.

The reactions are summarized below:. The silane produced by this route can be thermally decomposed to produce high-purity silicon and hydrogen in a single pass.

Products - Silane Bond Enhancer - MSDS

Another commercial production of silane involves reduction of silicon dioxide SiO 2 under Al and H 2 gas in a mixture of NaCl and aluminum chloride AlCl 3 at high pressures: [7]. Inthe German chemists Heinrich Buff and Friedrich Woehler discovered silane among the products formed by the action of hydrochloric acid on aluminum silicide, which they had previously prepared. They called the compound siliciuretted hydrogen. For classroom demonstrations, silane can be produced by heating sand with magnesium powder to produce magnesium silicide Mg 2 Sithen pouring the mixture into hydrochloric acid.

The magnesium silicide reacts with the acid to produce silane gas, which burns on contact with air and produces tiny explosions. It can be written as:. Yet another small-scale route for the production of silane is from the action of sodium amalgam on dichlorosilaneSiH 2 Cl 2to yield monosilane along with some yellow polymerized silicon hydride SiH x.

silane msds

Silane is the silicon analogue of methane. Because of the greater electronegativity of hydrogen in comparison to silicon, this Si—H bond polarity is the opposite of that in the C—H bonds of methane. One consequence of this reversed polarity is the greater tendency of silane to form complexes with transition metals.

Consequently, compounds containing Si—H bonds are much more reactive than is H 2. While diverse applications exist for organosilanessilane itself has one dominant application, as a precursor to elemental silicon, particularly in the semiconductor industry.

The higher silanes, such as di- and trisilane, are only of academic interest. About metric tons per year of silane were consumed in the late s. To reduce that waste and the ecological footprint of a-Si:H-based solar cells further several recycling efforts have been developed.If you need immediate assistance, please call or click below to call one of our regional representatives.

Call Regional Customer Service Representative. Click here to view our privacy policy. Momentive uses cookies to help improve your experience on our website. By using our website, you agree to our use of cookies. For more information, review our Privacy Policy. Its epoxy functionality allows Silquest A silane to perform as a durable epoxy ring that is reactive with many organic functions.

It also offers non-yellowing adhesion in many resin systems and has proven to increase the flexibility of systems when compared to other adhesion promoters under certain conditions. Working as a trimethoxy silane, Silquest A silane bonds to inorganic substrates to provide excellent wet and dry adhesion along with a rapid hydrolysis rate.

Silquest A silane also demonstrates enhanced electrical properties in epoxy-based encapsulants and packaging materials, the result of improved bonding between resin and substrate or filler. Formulated to enhance wet adhesion, Silquest A silane also benefits epoxy encapsulation systems through its enhanced safety of semiconductor or integrated circuits, which it guards from water ingress or surface corrosion. This silane is also an excellent candidate for waterborne applications, including acrylic and vinyl-acrylic caulks, as well as urethane and latex caulk applications, where it can improve adhesion to glass and metal substrates.

Other epoxy applications that may benefit from the addition of Silquest A silane include quartz-filled epoxy encapsulants, pre-mix formulations and sand-filled epoxy concrete patching materials, along with metal-filled epoxy, like those used in mold and dye tools. For key features, typical benefits and physical properties, potential applications and more, please download the marketing bulletin on this page.

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