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BRB SILANIL 276

BRB Silanil 276 is used crosslinker, Coupling agent, and Water scavenger,
BRB Silanil 276 is used in adhesives and sealants.
BRB Silanil 276 is used to graft onto polymer backbone during polymerization.

CAS number: 2768-02-7.
EC / EINECS number: 220-449-8
MDL number: MFCD00008605
Chemical name / main constituent: Vinyltrimethoxysilane
Linear Formula: H2C=CHSi(OCH3)3
Molecular Formula: C₅H₁₂O₃Si
Molecular Weight: 148.23 g/mol (approx.)

SYNONYMS:
Vinyltrimethoxysilane, Trimethoxyvinylsilane, Silanil 276, VTMO, (trimethoxyethenyl)silane, A-171M, Dynasylan VTMO, KBM-1003, SILQUEST A-171, Xiameter OFS-6300, (Trimethoxysilyl)ethylene, Ethenyltrimethoxysilane, Trimethoxy(vinyl)silane, Vinyltrimethoxysilane, 2768-02-7, Trimethoxyvinylsilane, Trimethoxy(vinyl)silane, Silane, ethenyltrimethoxy-, Ethenyltrimethoxysilane, (Trimethoxysilyl)ethene, (Trimethoxysilyl)ethylene, Silane, trimethoxyvinyl-, Vinyl trimethoxy silane, ethenyl(trimethoxy)silane, 0ZIU135UES, MFCD00008605, 29382-69-2, VTMO, VTS-M, A 171 (Silane derivative), Dynasylan VTMO, KBM 1003, EINECS 220-449-8, vinyl trimethoxysilane, vinyltrimethoxy-silane, SZ 6300, BRN 1099136, vinyl-trimethoxy-silane, DYNASYLAN SILFIN, ethenyl-trimethoxysilane, Union Carbide A-171, A 171, UNII-0ZIU135UES, (CH3O)3SiCH=CH2, CH2=CHSi(OCH3)3, V 4917, Y 4302, Vinyltrimethoxysilane, 97%, Vinyltrimethoxysilane, 98%, SCHEMBL22614, DTXSID2029240, NKSJNEHGWDZZQF-UHFFFAOYSA-, Tox21_202575, AKOS008901344, ZINC169743115, AM84870, CV-4917, s22025, NCGC00260124-01, AS-17409, CAS-2768-02-7, FT-0655075, V0042, E75732, EC 220-449-8, EN300-7405193, (Trimethoxysilyl)ethylene, Ethenyltrimethoxysilane, A819155, J-016856, Trimethoxyvinylsilane 100 microg/mL in Acetonitrile, Q27251076, vinyltrimethoxysilane, trimethoxyvinylsilane, silane, ethenyltrimethoxy, trimethoxy vinyl silane, trimethoxysilyl ethene, vinyl trimethoxy silane, silane, trimethoxyvinyl, trimethoxysilyl ethylene, vtmo, vts-m, VTMS, a171, VTMO, ethenyltrimethoxy-Silane, TRIMETHOXYVINYLSILANE, vts-m, kbm1003, Co-Formula CFS-027, ethenyltrimethoxysilane, Vinymethyltrimethoxysilane, 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, Trimethoxysilyl)ethylene, 220-449-8 [EINECS], 2768-02-7 [RN], ethenyl(trimethoxy)silane, Ethenyltrimethoxysilane, MFCD00008605 [MDL number], vinyl trimethoxysilane, Vinyltrimethoxysilane, (Trimethoxysilyl)ethene, 119684-24-1 [RN], 2768-02-07, 2-Amino-4′-methylacetophenone, 4-04-00-04256 [Beilstein], CV-4917, Dow Corning product Q9-6300, Dynasylan VTMO, EINECS 220-449-8, Ethenyltrimethoxysilan, ethenyl-trimethoxysilane, ethenyl-trimethoxy-silane, Silane, trimethoxyvinyl-, trimethoxy-vinylsilane, trimethoxy-vinyl-silane, Trimethoxyvinylsilane, Union Carbide A-171, Vinyl trimethoxy silane, Vinyltrimethoxysilane, Ethenyltrimethoxysilane, VTMO, VTS-M, VTMO, TRIMETHOXYVINYLSILANE, VINYLTRIMETHOXYSILANE, Vinyltrimethoxysilane, Ethenyltrimethoxysilan, ETHENYLTRIMETHOXYSILAN, Ethenyltrimethoxysilane, Trimethoxy(vinyl)silane, Vinyl teimethoxy silane, (trimethoxysilyl)ethene, Silane,ethenyltrimethoxy, Trimethoxysilyl)ethylene, (TRIMETHOXYSILYL)ETHYLENE, Vinymethyltrimethoxysilane, Silane Coupling Agent A-171, DOW CORNING(R) PRODUCT Q9-6300, Tri-Methoxy Vinyl Silane (Vtmos) (Vinyltrimethoxy Silane ), Vinyltrimethoxysilane, Silane, ethenyltrimethoxy-, Silane, trimethoxyvinyl-, CV-4917, Dynasylan VTMO, Union Carbide A-171, VTMO, vts-m, a171, VTMO, sz6300, VTMS, Trimethoxy(vinyl)silane, vinyl trimethoxy silane, Trimethoxyvinylsilane, Vinyl trimethoxy silane, DYNASYLAN VTMO, Vinyltrimethoxysilane, Vinyltrimethoxysilane, >97.5%, Silane, ethenyltrimethoxy-, Vinyltrimethoxysilane, >98%, Vinyltrimethoxysilan, 99% (Trimethoxysilyl)ethene, A 171, A 171 (Silane derivative), Ethenyltrimethoxysilane, KBM 1003, SZ 6300, Silane, ethenyltrimethoxy-, V 4917, VTS-M, Vinyl trimethoxy silane, Vinyltrimethoxysilane, Y 4302 Silane, trimethoxyvinyl-UN1993, (Trimethoxysilyl)ethylene, Ethenyltrimethoxysilane, Trimethoxy(vinyl)silane, (Trimethoxysilyl)ethylene, Ethenyltrimethoxysilane, Trimethoxy(vinyl)silane, Vinyltrimethoxysilane, Silane, ethenyltrimethoxy-, Silane, trimethoxyvinyl-, (Trimethoxysilyl)ethylene, Trimethoxy(vinyl)silane, CV-4917, Dynasylan VTMO, Union Carbide A-171, VTMO, A-171M, BRB Silanil 276, Crosslinker TP-3625, KBM-1003, SILQUEST A-171 SILANE, Silquest A-171W, Silquest Y-9818 silane, XL-PEarl 10 silane, Xiameter OFS-6300, VTS-M, Silaplane S 210, SH 6300, Silopren TP 3625, YDH 171, Silox VS 911, KH 921, U 611, Silfin 24, SB 6301, SG-Si 171, Geniosil X 10GS, Geniosil XL 10, SCA 1603, V 4917, Trimethoxyvinylsilane, Vinyltrimethoxysilane, Vinyltrimethoxysilane, 2768-02-7, Trimethoxyvinylsilane, Silane, ethenyltrimethoxy-, Ethenyltrimethoxysilane, (Trimethoxysilyl)ethene, Silane, trimethoxyvinyl-, Vinyl trimethoxy silane, 0ZIU135UES, A 171 (Silane derivative), DTXSID2029240, DYNASYLAN SILFIN, KBM 1003, SZ 6300, DTXCID509240, A 171, V 4917, Y 4302, RefChem:901966, 220-449-8, Trimethoxy(vinyl)silane, (Trimethoxysilyl)ethylene, ethenyl(trimethoxy)silane, MFCD00008605, VTMO, VTS-M, C5H12O3Si, Dynasylan VTMO, EINECS 220-449-8, vinyl trimethoxysilane, vinyltrimethoxy-silane, BRN 1099136, vinyl-trimethoxy-silane, ethenyl-trimethoxysilane, Union Carbide A-171, UNII-0ZIU135UES, (CH3O)3SiCH=CH2, CH2=CHSi(OCH3)3, Vinyltrimethoxysilane, 97%, Vinyltrimethoxysilane, 98%, SCHEMBL22614, SCHEMBL3232608, SCHEMBL3421473, SCHEMBL18427889, NKSJNEHGWDZZQF-UHFFFAOYSA-, ISI2650, CG-171 VTMO Vinyltrimethoxysilane, Tox21_202575, MSK169817, AKOS008901344, CV-4917, s22025, NCGC00260124-01, AS-17409, CAS-2768-02-7, NS00049806, V0042, E75732, EC 220-449-8, EN300-7405193, (Trimethoxysilyl)ethylene, Ethenyltrimethoxysilane, Trimethoxyvinylsilane 100 microg/mL in Acetonitrile, Q27251076, InChI=1/C5H12O3Si/c1-5-9(6-2,7-3)8-4/h5H,1H2,2-4H3, 29382-69-2, Ethenyltri(ethoxy)silane, Triethoxyvinylsilane, (Trimethoxysilyl)ethene, A 171, A 171 (Silane derivative), Ethenyltrimethoxysilane, KBM 1003, SZ 6300, Silane, ethenyltrimethoxy-, V 4917, VTS-M, Vinyl trimethoxy silane, Vinyltrimethoxysilane, Y 4302, Silane, trimethoxyvinyl-, [ChemIDplus] UN1993, Vinyltrimethoxysilane, Silane, ethenyltrimethoxy-, Silane, trimethoxyvinyl-, CV-4917, Dynasylan VTMO, Union Carbide A-171, VTMO, (trimethoxysilyl)ethene, CV-4917, Dynasylan VTMO, Silane, ethenyltrimethoxy-, Silane, trimethoxyvinyl-, Union Carbide A-171, VTMO, ethenyl(trimethoxy)silane, trimethoxy(vinyl)silane, vinyltrimethoxysilane, VTMO, TRIMETHOXYVINYLSILANE, VINYLTRIMETHOXYSILANE, Vinyltrimethoxysilane, Ethenyltrimethoxysilan, ETHENYLTRIMETHOXYSILAN, Ethenyltrimethoxysilane, Trimethoxy(vinyl)silane, Vinyl teimethoxy silane, (trimethoxysilyl)ethene, Silane,ethenyltrimethoxy, Trimethoxysilyl)ethylene, (TRIMETHOXYSILYL)ETHYLENE, Vinymethyltrimethoxysilane, Silane Coupling Agent A-171, DOW CORNING(R) PRODUCT Q9-6300, Tri-Methoxy Vinyl Silane (Vtmos) (Vinyltrimethoxy Silane ), Trimethoxy(vinyl)silane, Ethenyltrimethoxysilane, (Trimethoxysilyl)ethene, (Vinyl)trimethoxylsilane, Dynasylan Silfin, NUC Silicone A 171, Trimethoxyvinylsilane, VTMS, a171, VTMO, ethenyltrimethoxy-Silane, TRIMETHOXYVINYLSILANE, vts-m, kbm1003, Co-Formula CFS-027, ethenyltrimethoxysilane, Vinymethyltrimethoxysilane, vinyltrimethoxysilane, trimethoxyvinylsilane, silane, ethenyltrimethoxy, trimethoxy vinyl silane, trimethoxysilyl ethene, vinyl trimethoxy silane, silane, trimethoxyvinyl, trimethoxysilyl ethylene, vtmo, vts-m, ethenyl(trimethoxy)silane, silane, ethenyltrimethoxy-, trimethoxyvinylsilane, vinyltrimethoxysilane

BRB Silanil 276 is a reactive chemical containing vinyl functionality and a silane hydrolysable group.
BRB Silanil 276 is a fast hydrolyzing alkoxy silanes type and can be used for many potential applications.
BRB Silanil 276 is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 10 000 to < 100 000 tonnes per annum.

BRB Silanil 276 is a commercial grade of vinyltrimethoxysilane, an organosilane used as an adhesion promoter, crosslinker, moisture scavenger and coupling agent in polymers, coatings, adhesives, sealants and composite materials.
BRB Silanil 276's reactivity — via both vinyl polymerization and silane hydrolysis — enables strong bonding, improved mechanical and chemical resistance, and enhanced durability in end products.

Because BRB Silanil 276 is a specialty, industrial additive (not a generic commodity chemical), publicly available data are somewhat limited.
BRB Silanil 276 complies with REACH regulation.

BRB Silanil 276 is a silane coupling agent with a silicon and hydroxyl groups that can be used to enhance the wettability and improve the superhydrophobic characteristics of different composites.
BRB Silanil 276 provides coupling between inorganic surfaces (such as clay, glass, etc.) and organic rubber and plastic; and it also provides moisture crosslinking sites when grafted into polyethylene polymer backbone.

At room temperature, BRB Silanil 276 appears as a colorless liquid with a mild characteristic odor.
BRB Silanil 276 belongs to the class of organosilicon compounds, which are characterized by the presence of silicon-carbon bonds.
BRB Silanil 276 is an organosilicon compound consisting of a vinyl group (–CH=CH2) attached to a silicon atom with three methoxy groups.

This structure makes BRB Silanil 276 a vinyl-functional organosilane used mainly as a coupling agent, adhesion promoter, crosslinker, and chemical intermediate in polymer and coating industries.
BRB Silanil 276 is a colorless to pale liquid that may have a slight fruity odor.

BRB Silanil 276 is a light yellow liquid.
BRB Silanil 276 is a colorless liquid with a fruity odor.
BRB Silanil 276 is a colorless to pale yellow liquid with a characteristic odor.

BRB Silanil 276 is a colorless, transparent liquid
BRB Silanil 276 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.

BRB Silanil 276 is a chemical compound belonging to the group of organosilicon compounds and alkyloxysilanes.
BRB Silanil 276 is a pale yellow liquid with a fruity odor that decomposes in water.
BRB Silanil 276 was first synthesized in the mid-20th century through advancements in silicon chemistry.

BRB Silanil 276's synthesis typically involves the reaction of vinyl chloride or vinyl bromide with triethoxysilane under specific catalytic conditions, often utilizing platinum catalysts to facilitate the formation of the desired silicon-carbon bond.
Industrially, BRB Silanil 276 is prepared from chlorotrimethoxysilane and acetylene, where the two reactants undergo hydrosilylation under controlled temperatures and pressures.

BRB Silanil 276 represents a vital organosilicon compound with significant applications in diverse industrial sectors.
BRB Silanil 276's synthesis history highlights advancements in silicon chemistry, while its utility spans adhesives, coatings, and polymer reinforcement.

Despite BRB Silanil 276's benefits, proper safety protocols must be followed to mitigate potential health risks associated with its use.
By understanding its properties, preparation methods, and hazards, industries can leverage BRB Silanil 276 effectively while ensuring worker protection.

BRB Silanil 276, a versatile organosilane compound, plays a crucial role in various industrial applications due to its unique properties.
With the chemical formula C5H12O3Si, this colorless, clear liquid, BRB Silanil 276, is known for its reactivity and ability to enhance the performance of numerous materials.

Understanding its properties and applications provides insight into why BRB Silanil 276 is indispensable in many industries.
BRB Silanil 276 is a highly versatile compound with a broad range of applications across various industries.
Its unique chemical structure and properties enable BRB Silanil 276 to act as an effective coupling agent, adhesion promoter, and crosslinking agent.

By improving the adhesion, mechanical properties, and durability of materials, BRB Silanil 276 is integral to the development of high-performance products in adhesives, sealants, coatings, composites, and more.
As technology continues to advance, the demand for BRB Silanil 276 is expected to grow, driving further innovation and expanding its range of applications.

BRB Silanil 276 is an organosilane compound with the chemical formula CH₂=CHSi(OCH₃)₃.
BRB Silanil 276 contains a vinyl group (-CH=CH₂) attached to a silicon atom with three methoxy groups (-OCH₃).

USES and APPLICATIONS of BRB SILANIL 276:
Adhesion promoter / coupling agent — BRB Silanil 276 helps improve bonding between organic polymers (resins) and inorganic surfaces (glass, quartz, metals, etc.).
BRB Silanil 276 is useful in coatings, sealants, adhesives.

Crosslinker / curing agent for polymers — BRB Silanil 276 can be grafted onto polymer backbones (e.g. in emulsion polymerization) via free-radical polymerization (vinyl group), thereby improving network formation in coatings, rubber, plastics, etc.
Moisture scavenger / moisture-cure additive — BRB Silanil 276 is used in moisture-curing systems (e.g. polyurethanes, sealants, resins), the alkoxy groups hydrolyze and consume water, improving stability, shelf life, and curing behavior.

Surface modification / hydrophobization uses of BRB Silanil 276 — after hydrolysis and condensation on inorganic surfaces (glass, quartz, steel, etc.), the silane attaches to surface and leaves behind hydrophobic vinyl-functional siloxane layer, improving surface-water repellence, adhesion, or compatibility with organic matrices.

BRB Silanil 276 is used in wire and cable insulation, pipes, foams, coatings, sealants, synthetic rubbers, latexes / emulsion polymers, where improved heat resistance, weather resistance, mechanical strength, abrasion / scrub resistance and long-term durability are required.
In industrial workflows, BRB Silanil 276 is often dosed in small quantities—typically between 0.1% and 3%, depending on the polymer system.

Higher amounts can cause excessive crosslinking or brittleness, while lower amounts may not deliver the desired improvements.
Formulators usually perform controlled trials to optimize concentration, order of addition and mixing conditions, because the timing of silane introduction can dramatically influence the final properties.

For example, adding the silane too early to an aqueous system may trigger premature hydrolysis, whereas adding BRB Silanil 276 at the correct stage ensures proper grafting and network formation.
Finally, BRB Silanil 276 plays an important role in moisture-cured systems, especially in construction sealants and certain polyurethane or hybrid polymer technologies.

In such products, BRB Silanil 276 functions as a moisture scavenger and helps control cure speed, open time and final hardness.
By reacting with residual water, BRB Silanil 276 prevents defects such as foaming, microbubbles or incomplete curing.
This makes BRB Silanil 276 useful for improving shelf stability in moisture-sensitive formulations.

BRB Silanil 276 is used as an adhesion promoter.
BRB Silanil 276 is used crosslinker, Coupling agent, and Water scavenger,
BRB Silanil 276 is used in adhesives and sealants.

BRB Silanil 276 is used to graft onto polymer backbone during polymerization.
When used as a special crosslinker in PE, especially in wire and cables jacket, pipe and foam, BRB Silanil 276 can give better heat and weather resistance compared to other crosslinkers.

BRB Silanil 276 is commonly used for modification of various types of emulsion polymerization.
BRB Silanil 276 can be added to latex as monomer to form vinyl modified latexes.
BRB Silanil 276 can also be added to various synthetic rubbers to form vinyl co-polymers.

Moisture Scavenger is one of the potential applications.
It is applied in synthetic resin for surface coating and adhesives such as polyurethane with fast hydrolysis rate of BRB Silanil 276 to catch H2O in moisture cure system in order to prolong the shelf life of the resin.

BRB Silanil 276 can as well be used for hydrophobic modification purposes in which a hydrolysable group is able to bond or interact with inorganic surfaces such as Glass , Quartz and Steel.
BRB Silanil 276 then leaves a hydrophobic vinyl group on top.

BRB Silanil 276 is used in the following products: coating products, adhesives and sealants, polymers and non-metal-surface treatment products.
BRB Silanil 276 has an induBRB Silanil 276strial use resulting in manufacture of another substance (use of intermediates).
BRB Silanil 276 is used in the following areas: building & construction work and formulation of mixtures and/or re-packaging.

BRB Silanil 276 is used for the manufacture of: electrical, electronic and optical equipment, machinery and vehicles, mineral products (e.g. plasters, cement), food products, rubber products, plastic products and furniture.
Release to the environment of BRB Silanil 276 can occur from industrial use: formulation of mixtures and in the production of articles.

Other release to the environment of BRB Silanil 276 is likely to occur from: indoor use and outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).
BRB Silanil 276 is used in the following products: coating products, adhesives and sealants, polymers and non-metal-surface treatment products.

Release to the environment of BRB Silanil 276 can occur from industrial use: formulation of mixtures, in the production of articles, formulation in materials and as processing aid.
Other release to the environment of BRB Silanil 276 is likely to occur from: indoor use and outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).

BRB Silanil 276 is used in the following products: polymers, coating products, non-metal-surface treatment products, adhesives and sealants and laboratory chemicals.
BRB Silanil 276 has an industrial use resulting in manufacture of another substance (use of intermediates).

BRB Silanil 276 is used in the following areas: building & construction work and formulation of mixtures and/or re-packaging.
BRB Silanil 276 is used for the manufacture of: chemicals, machinery and vehicles, plastic products, mineral products (e.g. plasters, cement), rubber products and electrical, electronic and optical equipment.

Release to the environment of BRB Silanil 276 can occur from industrial use: in the production of articles, as an intermediate step in further manufacturing of another substance (use of intermediates), for thermoplastic manufacture, formulation of mixtures, as processing aid and as processing aid.

Other release to the environment of BRB Silanil 276 is likely to occur from: indoor use and outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).
Release to the environment of BRB Silanil 276 can occur from industrial use: manufacturing of the substance.

BRB Silanil 276 acts as a crosslinker.
BRB Silanil 276 exhibits premium quality, reliability and it is available at a competitive price.
BRB Silanil 276 possesses compatibility with EPDM.

BRB Silanil 276 is used to modify polyethylene and other polymers by grafting vinyl groups with a radical initiator (e.g. peroxide).
BRB Silanil 276 is used in wire and cable applications.
BRB Silanil 276 acts as a crosslinker for polymer modification and moisture scavenger in surface coating.

BRB Silanil 276 exhibits high reactivity and good covalent bonding by free radical mechanism.
BRB Silanil 276 increases creep-, scrub- & abrasion- resistance, hot set test properties, long term service temperature and better mechanical properties.

BRB Silanil 276 is suitable for both of water- and solvent-borne acrylic latex applications at a dosage level of 0.1-2 % and 0.4-10.0 % on total monomer wt. respectively.
BRB Silanil 276 improves solvent-, acid-, base- and water resistance.

BRB Silanil 276 is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
BRB Silanil 276 is used in the following products: adhesives and sealants, coating products, polymers and laboratory chemicals.

Release to the environment of BRB Silanil 276 can occur from industrial use: formulation of mixtures and in the production of articles.
Other release to the environment of BRB Silanil 276 is likely to occur from: indoor use and outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).

Release to the environment of BRB Silanil 276 can occur from industrial use: industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal) and of articles where the substances are not intended to be released and where the conditions of use do not promote release.

Other release to the environment of BRB Silanil 276 is likely to occur from: outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials) and indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment).

BRB Silanil 276 is used as an adhesion promoter, crosslinker, coupling agent and water scavenger.
BRB Silanil 276 is used in adhesives and sealants.
BRB Silanil 276 is used to graft onto polymer backbone during polymerization.

BRB Silanil 276 is a vinyl-functional alkoxysilane designed for use as a reactive additive in systems where long-term durability, improved interfacial bonding and moisture-resistant performance are required.

Because BRB Silanil 276 contains both a vinyl group and three methoxy groups attached to silicon, it behaves as a dual-reactive molecule: the vinyl group reacts through free-radical polymerization, while the methoxy groups participate in hydrolysis and subsequent condensation reactions.

This unusual combination gives BRB Silanil 276 a bridging role between organic polymer networks and inorganic or mineral surfaces, allowing formulators to tune both the mechanical properties and the long-term aging behavior of coated or molded materials.
When introduced into a polymer dispersion, resin, rubber or adhesive system, the material acts as a chemical “linker,” forming covalent bonds at two interfaces.

The vinyl group becomes part of the polymer backbone during radical curing, while the silane portion anchors itself to surfaces or fillers such as silica, glass, metal oxides, chalk, talc, clay or ceramic substrates.
This dual attachment significantly increases the compatibility of typically incompatible phases.

As a result, composites often exhibit higher tensile strength, better crack resistance and improved environmental stability.
Because the silane reacts with moisture in ambient air, the treated surfaces gradually develop a thin and stable siloxane network, which enhances hydrophobicity and reduces water absorption over time.

In terms of processing, BRB Silanil 276 is appreciated for its low viscosity, which makes blending easy even at low temperatures.
BRB Silanil 276 disperses well in both solvent-borne and water-borne systems, though in aqueous environments it must be added carefully to avoid premature hydrolysis.

When BRB Silanil 276 does hydrolyze, the methoxy groups convert into silanol groups and release methanol.
These silanols then condense to form Si–O–Si structures.
This natural tendency toward self-condensation is the reason the material must be handled under dry conditions and stored in airtight containers, preferably under nitrogen.

If moisture enters the storage tank, the product thickens, gels or forms insoluble residues that compromise BRB Silanil 276's function as a coupling agent.
From a performance standpoint, BRB Silanil 276 contributes to better weathering resistance, UV stability and chemical durability in final products.

Materials incorporating BRB Silanil 276 typically show reduced chalking, enhanced gloss retention, and improved adhesion even when exposed to aggressive environments such as high humidity, repeated washing, salt spray or freeze-thaw cycles.
In cable insulation and polymer compounds used outdoors, BRB Silanil 276’s effect is especially noticeable in the stability of the mechanical properties after prolonged aging.

The compatibility of BRB Silanil 276 with a wide range of polymers is one of the reasons it is used in many industrial sectors.
BRB Silanil 276 is suitable for polyethylene, EVA, polyacrylates, styrenics, polyesters, urethanes, unsaturated polyester resins, silicones and rubber systems.

In water-borne dispersions, the vinyl functionality allows BRB Silanil 276 to participate in emulsion polymerization processes, where it becomes chemically built into the polymer particles, providing post-cure moisture resistance and superior film integrity.
In sealants and adhesives, BRB Silanil 276 improves adhesion to glass, metals and mineral surfaces even without primers.

BRB Silanil 276 also influences rheology and stability.
In formulations containing mineral fillers, BRB Silanil 276 improves filler dispersion and prevents particle agglomeration.

This often results in lower viscosity, better flow and more uniform mechanical behavior.
The improved compatibility between filler and polymer matrix also makes composites less brittle and more fatigue-resistant.

BRB Silanil 276 is used in the preparation of moisture-curing polymers(e.g. polyethylene).
BRB Silanil 276 is used as an efficient adhesion promoter for various mineral-filled polymers, improving mechanical and electrical properties especially after exposure to moisture.
BRB Silanil 276 is used as modifier of polymer dispersions (e.g. styrene acrylics).

As a silane coupling agent, BRB Silanil 276 excels at promoting adhesion between organic polymers and inorganic substrates.
In the coatings industry, BRB Silanil 276's inclusion in formulations leads to enhanced adhesion to metals, glass, and mineral fillers, thereby improving durability, water resistance, and overall finish quality.

This makes BRB Silanil 276 an invaluable component for paints, varnishes, and protective coatings designed for demanding environments.
In the realm of composite materials, BRB Silanil 276 is crucial for improving the mechanical properties and longevity of products.
By treating fiberglass or mineral fillers, BRB Silanil 276 creates a stronger interface with the polymer matrix.

This results in composites with increased tensile strength, flexural modulus, and improved resistance to environmental degradation, making them ideal for automotive components, construction materials, and sporting goods.
Manufacturers seeking to buy BRB Silanil 276 for these applications are looking for reliable performance and supply.

The textile industry utilizes BRB Silanil 276 for its surface modification capabilities.
BRB Silanil 276 can be applied to fabrics to impart desirable properties such as water repellency, stain resistance, and enhanced dye uptake.

These treatments result in textiles that are not only more functional but also more durable and appealing to consumers.
The ability to buy BRB Silanil 276 to achieve these specialized textile properties is a key driver for innovation in the sector.
Furthermore, BRB Silanil 276 serves as an effective crosslinking agent in various polymer systems.

BRB Silanil 276 enables moisture-activated crosslinking in materials like polyethylene, leading to enhanced thermal stability and mechanical strength, which is crucial for applications such as wire and cable insulation.
In adhesives and sealants, BRB Silanil 276 contributes to robust, long-lasting bonds through its participation in curing mechanisms.

The broad utility of BRB Silanil 276 as a chemical auxiliary underscores its importance in modern manufacturing.
Its ability to enhance adhesion, facilitate crosslinking, and modify surfaces makes BRB Silanil 276 an indispensable compound for achieving higher product performance and durability across a multitude of applications.

BRB Silanil 276 is a versatile Chemical Auxiliary for Enhanced Product Performance.
BRB Silanil 276 (VTMS), with its CAS number 2768-02-7, is a highly versatile organosilicon compound that functions as a critical chemical auxiliary across numerous industries.

Its unique molecular structure, featuring both a vinyl group and trimethoxysilyl functionality, allows BRB Silanil 276 to participate in a wide range of chemical reactions, leading to significant improvements in product performance.
BRB Silanil 276 is used in the preparation of moisture-curing polymers(e.g. polyethylene).

BRB Silanil 276 is used as an efficient adhesion promoter for various mineral-filled polymers, improving mechanical and electrical properties especially after exposure to moisture.
BRB Silanil 276 is used as modifier of polymer dispersions (e.g. styrene acrylics).

After modification the dispersions show improved adhesion strength in wet conditions and wet scrub resistance.
BRB Silanil 276 is widely used as moisture scavenger in sealants, because it reacts rapidly with water.
BRB Silanil 276 is used to provide superhydrophobicity to different materials like TiO2, talc, kaolin, magnesium oxide nanoparticles, ammonium phosphate and PEDOT.

BRB Silanil 276 is commonly used as coupling agents and adhesion promoters in various industrial applications.
BRB Silanil 276 is particularly effective in improving the adhesion strength and durability of coatings, sealants, and adhesives to substrates such as glass, metal, and plastic.

In the automotive industry, BRB Silanil 276 is widely used as an adhesion promoter in windshield sealants to improve their bonding to the car body.
BRB Silanil 276 also enhances the durability and resistance of the sealants to environmental factors such as temperature, humidity, and UV radiation.

In the construction industry, BRB Silanil 276 is widely used in the manufacture of high-performance coatings and sealants for building facades, roofs, and windows.
BRB Silanil 276 improves the adhesion of these materials to substrates, resulting in longer service life and lower maintenance costs.

In the electronics industry, BRB Silanil 276 is used as a coupling agent in the production of electronic encapsulation materials, such as epoxies and silicones.
BRB Silanil 276 improves the adhesion of these materials to various substrates, resulting in higher reliability, improved electrical properties, and longer service life.

BRB Silanil 276 is used as a chemical intermediate in the production of other fine chemicals or as a monomer in the production of vinyl functional silicone polymers.
The use of BRB Silanil 276 in coatings is intended to improve bonding or adhesion between organic polymers and mineral surfaces, such as pigments, fillers, and glass or metal substrates.

BRB Silanil 276 is used in water-based decorative coating products.
BRB Silanil 276 is also used as a as cross-linking agent and adhesion promoter in commercially-available silicone sealant product.
BRB Silanil 276 is a versatile silane coupling agent that plays a crucial role in enhancing adhesion and compatibility between organic and inorganic materials.

BRB Silanil 276 is particularly beneficial in the production of silicone-based sealants, adhesives, and coatings, where it improves the bonding strength and durability of the final products.
Its unique structure allows BRB Silanil 276 to effectively modify surfaces, making it an ideal choice for applications in the automotive, construction, and electronics industries.

Researchers and manufacturers appreciate BRB Silanil 276's ability to promote cross-linking in polymer matrices, which can lead to improved thermal stability and mechanical properties.
In addition to its use in adhesives and sealants, BRB Silanil 276 is also employed in the formulation of advanced composite materials and as a surface modifier for glass and ceramics.

Its effectiveness in enhancing the hydrophobicity of surfaces makes BRB Silanil 276 a valuable ingredient in water-repellent coatings.
With its proven track record in various industrial applications, BRB Silanil 276 stands out as a reliable choice for professionals seeking to improve product performance and longevity.

BRB Silanil 276 is used in: Adhesives and Sealants – adhesion promoters.
Polymer and Plastics – crosslinking agents, grafting sites in moisture-curable polymers.
Coatings & Surface Modifiers – BRB Silanil 276 improves wettability, bonding to fillers and substrates.

Glass, Mineral Fiber, Fillers – BRB Silanil 276 is used coupling agent for composites.
Chemical Intermediate – BRB Silanil 276 is used to produce organosilicon derivatives.
BRB Silanil 276 is used in the manufacture of polyethylene cross-linking wire, cable insulation and covering material this product is an important cross-linking agent for cross-linked polyethylene.

Compared with the general peroxide cross-linking and radiation cross-linking, the cross-linking process has the advantages of simple equipment, less investment, easy to control, BRB Silanil 276 is used in polyethylene density range is wide, suitable for the production of special shape of the fan-shaped wire core, and has the characteristics of high extrusion speed.

Due to the excellent electrical properties, good heat resistance and stress cracking resistance of silane cross-linked polyethylene, BRB Silanil 276 is widely used in the manufacture of electric wires, insulation and sheath materials.
BRB Silanil 276 is used in the manufacture of heat-resistant polyethylene cross-linked pipes, hoses and films.

The cross-linked polyethylene prepared by using BRB Silanil 276 as a cross-linking agent has good aromatic hydrocarbon resistance, oil resistance, stress cracking resistance and high mechanical strength, good heat resistance and other advantages, can be used at 80 deg C for 50 years.

BRB Silanil 276 can be used for the anti-corrosion and thermal insulation outer protective layer of long-distance oil pipeline, natural gas and gas pipeline and the anti-corrosion and thermal insulation sleeve joint material matched with it.
BRB Silanil 276 can be used for the water pipe and hot water pipeline of civil residence.

BRB Silanil 276 can also be used for ethylene-vinyl acetate copolymer, chlorinated polyethylene, ethylene-ethyl acrylate copolymer crosslinking agent.

BRB Silanil 276 is used to impregnate glass fibers and inorganic silicon-containing fillers to improve the infiltration and adhesion of resin and glass fibers, thus effectively improving the mechanical strength and electrical properties of glass fiber reinforced plastic and plastic laminated products, in particular, wet mechanical strength and electrical properties.
In addition, a better electromagnetic wave transmission property is imparted to BRB Silanil 276.

BRB Silanil 276 also significantly improves the weather resistance, water resistance and heat resistance of the glass fiber reinforced plastic, and prolongs the service life of the product.
BRB Silanil 276 is used for the production of special coatings. BRB Silanil 276 can be copolymerized with a series of acrylic monomers, made of special exterior wall coatings, known as silicone acrylic exterior wall coatings.

The coating has many characteristics, such as weather resistance, dust resistance, scrub and so on.
BRB Silanil 276 can be used for 20 years.
BRB Silanil 276 is used for the preparation of special purpose modified polymer.

BRB Silanil 276 can be copolymerized with a variety of monomers (such as: ethylene, propylene, butylene, etc.), or with the corresponding resin Graft polymerization, made of special purpose modified polymer.
Composite adhesion promoter, BRB Silanil 276 is a good adhesion promoter of silicone rubber with metal, fabric and other materials.

BRB Silanil 276 is used as a reagent in organic chemistry for the synthesis of organosilicon compounds.
BRB Silanil 276 is also used as a coupling agent in surface treatment and as a silicone adhesive.
BRB Silanil 276 is used as a cross-linking agent for cross-linked polyethylene.

BRB Silanil 276 is used as a chemical intermediate in the production of other chemicals or as a monomer in the production of vinyl-functional silicone polymers.
The use of BRB Silanil 276 in coatings is intended to improve the adhesion between organic polymers and mineral surfaces such as pigments, fillers, and glass or metal substrates.

BRB Silanil 276 is used in decorative water-based coating products and also as a crosslinker and adhesion promoter in commercially available silicone sealants.
BRB Silanil 276 may be used to provide superhydrophobicity to different materials like TiO2, talc, kaolin, magnesium oxide nanoparticles, ammonium phosphate and PEDOT.

BRB Silanil 276 modifies the surface by capping the material and creates a protective layer that is water resistant and can be used in major coating industries.
BRB Silanil 276, is used as a polymer modifier via grafting reactions.

The resulting pendant trimethoxysilyl groups can function as moisture-activated crosslinking sites.
The Silane grafted polymer, BRB Silanil 276, is processed as a thermoplastic and crosslinking occurs after fabrication of the finished article upon exposure to moisture.

BRB Silanil 276 is mainly applied in these aspects: In the preparation of moisture-curing polymers, e.g. polyethylene.
BRB Silanil 276 is widely used as cable isolation, and sheathing mainly in low voltage applications as well as for hot water/sanitary pipes and underfloor heating.

BRB Silanil 276 is used as a co-monomer for the preparation of different polymers such as polyethylene or acrylics.
Those polymers show an improved adhesion to inorganic surfaces and they can also be crosslinked with moisture.
BRB Silanil 276 is used as an efficient adhesion promoter for various mineral-filled polymers, improving mechanical and electrical properties especially after exposure to moisture.

BRB Silanil 276 is used to improving the compatibility of fillers with polymers, leading to a better dispersibility, reduced melt viscosity and easier processing of filled plastics.
BRB Silanil 276 is used re-treating of glass, metals, or ceramic surfaces, improve the adhesion of coatings on these surfaces and corrosion resistance.

As moisture scavenger, BRB Silanil 276 reacts rapidly with water.
This effect is used widely in sealants.
Additionally, BRB Silanil 276 can be categorized as a silane derivative due to its functional group structure, specifically the trimethoxysilyl group attached to a vinyl moiety.

This combination provides unique reactivity and versatility, making BRB Silanil 276 an important precursor in various industrial applications.
BRB Silanil 276 finds extensive use across multiple industries, primarily as a coupling agent in adhesives, coatings, and composites.

BRB Silanil 276 enhances the adhesion between organic polymers and inorganic surfaces, such as glass or metal, by forming covalent bonds on both interfaces.
In the construction industry, BRB Silanil 276 serves as a key component in sealants and waterproofing agents.

Furthermore, BRB Silanil 276 plays a role in the production of silicone rubbers and resins, contributing to their mechanical strength and durability.
Despite its synthetic origin, BRB Silanil 276 does not have known natural sources, being entirely man-made for industrial purposes.

BRB Silanil 276 is used in water-based decorative coating products.
BRB Silanil 276 is also used as a as cross-linking agent and adhesion promoter in commercially-available silicone sealant product.
BRB Silanil 276 serves as a coupling agent in the modification of surfaces and interfaces.

BRB Silanil 276 acts by forming a strong covalent bond with inorganic materials, such as glass, metal, or mineral fillers, and organic polymers.
This allows for improved adhesion and compatibility between dissimilar materials.

At the molecular level, BRB Silanil 276 reacts with hydroxyl groups on the surface of substrates, leading to the formation of silanol groups that can further condense to create a stable siloxane network.
This network provides a bridge between the organic and inorganic components, resulting in enhanced mechanical properties and resistance to moisture and environmental degradation.

BRB Silanil 276 may be used to provide superhydrophobicity to different materials like TiO2, talc, kaolin, magnesium oxide nanoparticles, ammonium phosphate and PEDOT.
BRB Silanil 276 modifies the surface by capping the material and creates a protective layer that is water resistant and can be used in major coating industries.

-Application of BRB Silanil 276:
Offer vinyl and silane functionality, making them suitable for crosslinking organic polymers.
The resulting Si-O-Si crosslink sites are highly resistant to exposure to moisture, chemicals and UV.

Be useful as a moisture scavenger in moisture cure systems where enhanced shelf-life is sought.
Incorporated into urethane, silylated polyurethane(SPUR prepolymer) or other silane modified polymer based sealants and adhesives to extend the systems shelf-life.

-Adhesives and Sealants uses of BRB Silanil 276:
In the adhesives and sealants industry, BRB Silanil 276 is prized for its ability to improve adhesion and durability.
BRB Silanil 276 reacts with moisture to form strong, moisture-resistant bonds, making it ideal for:

*Construction:
BRB Silanil 276 enhances the bonding strength of construction sealants, ensuring longevity and reliability in building applications.

*Automotive:
BRB Silanil 276 is used in automotive sealants and adhesives to provide robust bonds that withstand harsh environmental conditions.

-Coatings use of BRB Silanil 276:
BRB Silanil 276 is widely used in the coatings industry to enhance the performance of paints, varnishes, and other surface treatments:

*Crosslinking Agent:
BRB Silanil 276 acts as a crosslinking agent, improving the chemical resistance, water resistance, and abrasion resistance of coatings.

*Adhesion Promoter:
BRB Silanil 276 enhances adhesion to various substrates, resulting in more durable and long-lasting coatings.

*Weatherability:
BRB Silanil 276 improves the weatherability and UV resistance of coatings, making them suitable for outdoor use.

-Composites use of BRB Silanil 276:
In composite materials, BRB Silanil 276 serves as a coupling agent that strengthens the bond between the polymer matrix and reinforcing materials:

*Fiberglass-Reinforced Plastics:
BRB Silanil 276 enhances the mechanical properties of fiberglass-reinforced plastics, used in automotive parts, construction materials, and more.

*Mineral Fillers:
BRB Silanil 276 improves the interaction between polymers and mineral fillers, resulting in composites with superior tensile strength and impact resistance.

-Water-Repellent Treatments use of BRB Silanil 276:
BRB Silanil 276 is used to impart hydrophobic properties to textiles, building materials, and other surfaces:
*Textiles:
BRB Silanil 276 provides water-repellent treatments for fabrics, enhancing their durability and resistance to moisture.

*Building Materials:
BRB Silanil 276 is used in water-repellent treatments for construction materials, protecting them from water damage and extending their lifespan.

-Electronics use of BRB Silanil 276:
In the electronics industry, BRB Silanil 276 improves the adhesion of materials to substrates such as silicon wafers:
*Photoresists:
BRB Silanil 276 enhances the adhesion of photoresists and other materials used in semiconductor manufacturing, ensuring precise and reliable performance.

-Potential Applications of BRB Silanil 276:
*Crosslinker for Polyethylene
Silane crosslinking is a type of chemical crosslinking process to create a network structure of thermoplastic polyethylene to be three dimensional macromolecule structure which materials will be changed from thermoplastic to near thermoset.
Crosslinked Polyethylene is also commonly called XLPE or PEX to be used in wiregcable insulation layer, PEX pipe and PEX foam.

FEATURES of BRB SILANIL 276:
BRB Silanil 276 is reactive in free radical chemistry as in hydrolysis chemistry and forms siloxane bonds through moisture curing.
When used as a special crosslinker in PE, especially in wire and cables jacket, pipe and foam, BRB Silanil 276 can give better heat and weather resistance compared to other crosslinkers.

BRB Silanil 276 is commonly used for modification of various types of emulsion polymerization.
BRB Silanil 276 can be added to latex as monomer to form vinyl modified latexes.

BRB Silanil 276 can also be added to various synthetic rubbers to form vinyl copolymers.
Moisture Scavenger is one of the potential applications.

BRB Silanil 276 is applied in synthetic resin for surface coating and adhesives such as polyurethane with fast hydrolysis rate of BRB Silanil® 276 to catch H20 in moisture cure system in order to prolong the shelf life of the resin.

BRB Silanil 276 can as well be used for hydrophobic modification purposes in which a hydrolysable group is able to bond or interact with inorganic surfaces such as Glass, Quartz and Steel.
BRB Silanil 276 then leaves a hydrophobic vinyl group on top.

BENEFITS of BRB SILANIL 276:
*High reactivity
*Good covalent bonding by free radical mechanism

BENEFITS / KEY CHARACTERISTICS of BRB SILANIL 276:
Because of its chemical structure and reactivity, BRB Silanil 276 offers:
High reactivity — enabling both radical polymerization and silane-based coupling/hydrolysis.

Good covalent bonding — when BRB Silanil 276 is used as crosslinker or coupling agent, leads to strong, durable polymer networks or polymer–inorganic surface bonds.

BRB Silanil 276 is improved mechanical and chemical resistance — e.g. better abrasion resistance, scrub resistance, resistance to solvents, acids, bases and water when used in coatings or polymer products.

BRB Silanil 276 is enhanced long-term stability, heat and weather resistance in polymers (e.g. when used in cable jackets, pipes, foams).

Versatility — BRB Silanil 276 can be used in different polymer systems (aqueous latex, solvent-based coatings, rubbers, adhesives, sealants, composites) due to dual chemical functionality.

CHEMICAL BEHAVIOR / REACTIVITY of BRB SILANIL 276:
BRB Silanil 276 is a reactive silane — it has both a vinyl (–CH=CH₂) functional group and alkoxy-silane (–Si(OMe)₃) groups.
As such, BRB Silanil 276 can participate in free-radical polymerization (through the vinyl group) and also undergo hydrolysis / condensation (through the methoxy-silane groups) forming siloxane bonds (Si–O–Si) when exposed to moisture.
This dual reactivity is exploited in polymer modification, crosslinking, surface coupling, and moisture-curing applications.

MAIN FEATURES of BRB SILANIL 276:
Reactive in free radical chemistry.
Reactive in hydrosilation chemistry.
BRB Silanil 276 forms siloxane crosslinks via moisture cure.
BRB Silanil 276 bonds with inorganic surfaces through alkoxysilane groups.

KEY CHARACTERISTICS & BENEFITS of BRB SILANIL 276:
BRB Silanil 276 is valued in industry for:
*Coupling and Adhesion Promotion:
BRB Silanil 276 bonds inorganic surfaces (glass, minerals) with organic polymers, improving adhesion and mechanical properties.

*Crosslinking:
Under moisture, its methoxy groups hydrolyze to form silanols that condense to Si–O–Si networks, enabling crosslinking in polymers like polyethylene and silicone sealants.

*Polymer Modification:
BRB Silanil 276 is used as monomer/comonomer to impart functional groups in copolymers and grafted polymers.

*Surface Treatment:
BRB Silanil 276 enhances hydrophobicity and improves performance of coatings and composite materials.

CHARACTERISTICS PERFORMANCE of BRB SILANIL 276:
BRB Silanil 276 is a colorless transparent liquid with an ester taste is slowly hydrolyzed with water to form the corresponding silanol.
BRB Silanil 276 is soluble in methanol, ethanol, isopropanol, toluene, acetone and other organic solvents.

BRB Silanil 276 is a general-purpose organic silane coupling agent, mainly used as polyethylene crosslinking agent.
Glass fiber surface treatment agent.

Synthetic special coatings.
Surface moisture treatment of electronic components.
Surface treatment of inorganic silicon filler.

KEY ASPECTS of BRB SILANIL 276:
Vinyl Group (-CH=CH₂):
BRB Silanil 276 provides the vinyl functionality, enabling it to undergo various reactions including polymerization and crosslinking.
Trimethoxysilane Group (-Si(OCH₃)₃):
BRB Silanil 276 contains three methoxy (-OCH₃) groups that can undergo hydrolysis to form silanol groups for adhesion and bonding.

NOTES of BRB SILANIL 276:
BRB Silanil 276 is moisture sensitive.
Store BRB Silanil 276 away from oxidizing agents, water/moisture.
Keep the container tightly closed and place BRB Silanil 276 in a cool, dry and well ventilated condition.
Store under inert gas.

PROPERTIES of BRB SILANIL 276:
*Chemical Structure
BRB Silanil 276 consists of a vinyl group (CH2=CH-) attached to a silicon atom bonded to three methoxy groups (Si(OCH3)3).
This structure is key to BRB Silanil 276's functionality:
Vinyl Group:
The vinyl group enables copolymerization with a wide range of organic monomers, increasing its versatility.

*Methoxy Groups:
These can hydrolyze to form silanol groups (Si-OH), which can condense to create siloxane bonds (Si-O-Si).
This hydrolysis-condensation reaction is fundamental to the compound’s ability to bond with various surfaces.

*Reactivity and Bonding
BRB Silanil 276 is highly reactive due to its dual functional groups.
BRB Silanil 276 can form strong covalent bonds with both organic polymers and inorganic materials such as glass, metals, and minerals.
This dual reactivity enhances the mechanical properties and durability of the materials BRB Silanil 276 interacts with, making it an excellent coupling agent.

SYNTHETIC METHODS of BRB SILANIL 276:
method 1
The reaction of Vinyltrichlorosilane with methanol, neutralization of the crude product, and rectification to obtain the finished product.

method 2
acetylene and trimethoxyhydrosilane were added under platinum catalyst, and the crude product was distilled to obtain the final product.

PHYSICAL and CHEMICAL PROPERTIES of BRB SILANIL 276:
Physical form: Liquid.
Specific gravity (density) at 25 °C: ~ 0.97.
Viscosity at 25 °C: ~ 0.56 cSt (centistokes).
Flash point: ~ 24 °C.
Purity (typical): > 98%.
Name: BRB Silanil 276 — the “276” refers to the commercially sold grade by BRB International B.V..
Chemical name / main constituent: Vinyltrimethoxysilane.
CAS number: 2768-02-7.
EC / EINECS number: 220-449-8.
Molecular Formula: C₅H₁₂O₃Si
Molecular Weight: 148.23 g/mol (approx.)

Molecular Weight: 148.23
Physical state: liquid
Color: No data available
Odor: fruity
Melting point/freezing point:
Melting point/freezing point: -97 °C at ca.1.013 hPa
Initial boiling point and boiling range: 123 °C - lit.
Flammability (solid, gas): No data available
Upper/lower flammability or explosive limits:

Upper explosion limit: 23,94 %(V)
Lower explosion limit: 1,1 %(V)
Flash point 22 °C - closed cup
Autoignition temperature: 224 °C at 1.013
Decomposition temperature: No data available
pH: No data available
Viscosity
Viscosity, kinematic: No data available
Viscosity, dynamic: No data available

Water solubility No data available
Partition coefficient: n-octanol/water: No data available
Vapor pressure: 11,9 hPa at 20 °C
Density: 0,968 g/cm3 at 25 °C - lit.
Relative density: No data available
Relative vapor density: No data available
Particle characteristics: No data available
Explosive properties: No data available
Oxidizing properties: none
Other safety information:

Dissociation constant: 9,6 at 22 °C
Boiling Point: 122°C to 124°C
Melting Point: <-40°C
Quantity: 100 g
Molecular Formula: C5H12O3Si
Linear Formula: CH2=CHSi(OCH3)3
UN Number: UN1993
Beilstein: 1099136
Flash Point: 23°C (73°F)
CAS No.: 2768-02-7

EINECS No.: 220-449-8
Formula: C5H12O3Si
Molecular Weight: 148.2
Boiling Point: 122°C [760mmHg]
Flash Point: 28°C
Color and Appearance: Colorless transparent liquid
Density 25/25°C: 0.960-0.970
Refractive Index: 1.3905 [25°C]

Min. Purity: 99.0%
Assay:   95.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity: 0.97200 to 0.97500 @ 20.00 °C.
Pounds per Gallon - (est).: 8.097 to 8.122
Refractive Index: 1.39200 to 1.39400 @ 20.00 °C.
Flash Point: 73.00 °F. TCC ( 22.78 °C. )
Soluble in: water, 1.44e+005 mg/L @ 25 °C (est)
Molecular Weight: 148.23
Hydrogen Bond Donor Count: 0

Hydrogen Bond Acceptor Count: 3
Rotatable Bond Count: 4
Exact Mass: 148.05557077
Monoisotopic Mass: 148.05557077
Topological Polar: Surface Area   27.7 Å²
Heavy Atom Count: 9
Formal Charge: 0
Complexity: 81.9
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0

Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
Molecular Formula: C5H12O3Si
Molar Mass: 148.23
Density: 0.968 g/mL at 25 °C (lit.)
Boling Point: 123 °C (lit.)
Flash Point: 73°F

Water Solubility: slightly soluble
Vapor Presure: 88 hPa (55 °C)
Appearance: liquid
Specific Gravity: 0.970
Color: Colorless to Almost colorless
BRN: 1099136
Storage Condition: Store below +30°C.
Sensitive 7: reacts slowly with moisture/water
Explosive Limit 1.1%(V)
Refractive Index: n20/D 1.392(lit.)
Density: 0.9718

boiling point: 123°C
refractive index: 1.3915-1.3935
flash point: 22°C
water-soluble soda solution
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: n20/D 1.392(lit.)
Flash point: 73 °F
storage temp.: Store below +30°C.

form: liquid
Specific Gravity: 0.970
color: Colorless to Almost colorless
Viscosity: 0.7mm2/s
explosive limit: 1.1%(V)
Water Solubility: slightly soluble
Sensitive: Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
BRN: 1099136
InChIKey: NKSJNEHGWDZZQF-UHFFFAOYSA-N

LogP: -2--0.82 at 20℃
Chemical Name: Trimethoxyvinylsilane
IUPAC Name: Ethenyltrimethoxysilane
CAS Number: 2768-02-7
EC Number / EC List No.: 220-449-8
Index Number (EU): 014-049-00-0
Molecular Formula: C₅H₁₂O₃Si
Molecular Weight: ~148.23 g/mol
PubChem CID: 76004

ChemSpider ID: ~6850
Appearance: Colorless to pale, transparent liquid
Odor: Slight fruity odor reported
Density: ~0.97-0.97 g/mL at 20–25 °C
Boiling Point: ~122‐124 °C at 1013 hPa
Melting Point: < −70 to −97 °C (varies with source)
Flash Point: ~22 °C (closed cup)
Autoignition Temp.: ~235 °C
Vapor Pressure: ~88 hPa at 55 °C

Refractive Index: ~1.39 @ 25 °C
Solubility: Reacts with water / hydrolyzes
LogP (est.): ~0.59 (calculated)
SMILES: C=CSi(OC)OC
InChIKey: NKSJNEHGWDZZQF-UHFFFAOYSA-N
Empirical Formula (Hill Notation): C5H12O3Si
CAS Number: 2768-02-7
Molecular Weight: 148.23
MDL number: MFCD00008605
UNSPSC Code: 12352103

EC Index Number: 220-449-8
NACRES: NA.22
Physical state: liquid
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: n20/D 1.392(lit.)
Flash point: 73 °F
storage temp.: Store below +30°C.
form: liquid

color: Colorless to Almost colorless
Specific Gravity: 0.970
Odor: Fruity odor
Viscosity: 0.7mm2/s
explosive limit: 1.1%(V)
Water Solubility: slightly soluble
Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
Sensitive: Moisture Sensitive
BRN: 1099136

InChIKey: NKSJNEHGWDZZQF-UHFFFAOYSA-N
LogP: -2--0.82 at 20℃
CAS DataBase Reference: 2768-02-7(CAS DataBase Reference)
EWG's Food Scores: 1
FDA UNII: 0ZIU135UES
NIST Chemistry Reference: BRB Silanil 276(2768-02-7)
EPA Substance Registry System: BRB Silanil 276 (2768-02-7)
UNSPSC Code: 12352103

NACRES: NA.23
CAS: 2-7-2768
Boiling Point: 123.0°C
Assay Percent Range: 97.5% min. (GC)
Molecular Formula: C5H12O3Si
Linear Formula: H2C=CHSi(OCH3)3
Density: 0.9680g/mL
Flash Point: 23°C
Packaging: Glass bottle
Refractive Index: 1.3915 to 1.3935

MDL Number: MFCD00008605
Specific Gravity: 0.968
Solubility Information: Solubility in water: slightly soluble.
Other solubilities: soluble in most common organic solvents
SMILES: COSi
(OC)OC
Molecular Weight (g/mol): 148.24
Viscosity: 0.6 mm2/s (25°C)
Percent Purity: 98%
Assay: 95.00 to 100.00

Food Chemicals Codex Listed: No
Specific Gravity: 0.97200 to 0.97500 @ 20.00 °C.
Pounds per Gallon - (est).: 8.097 to 8.122
Refractive Index: 1.39200 to 1.39400 @ 20.00 °C.
Flash Point: 73.00 °F. TCC ( 22.78 °C. )
Soluble in: water, 1.44e+005 mg/L @ 25 °C (est)
InChI Key: NKSJNEHGWDZZQF-UHFFFAOYSA-N
IUPAC Name: ethenyl(trimethoxy)silane
PubChem CID: 76004

Formula Weight: 148.24
Chemical Name or Material: BRB Silanil 276
Physical State: Liquid
Storage: Store at room temperature
Melting Point: -96.99° C
Boiling Point: 123° C (lit.)
Density: 0.97 g/cm3 at 25° C
Color: light yellow
Odor: fruity
Melting point/freezing point: -97 °C at ca.1.013 hPa - (ECHA)

Initial boiling point and boiling range: 123 °C at 1.013 hPa - OECD Test Guideline 103
Flammability (solid, gas): No data available
Upper/lower flammability or explosive limits:
Upper explosion limit: 23,94 %(V);
Lower explosion limit: 1,1 %(V)
Flash point: 22 °C - closed cup
Autoignition temperature: 224 °C at 1.013 hPa - ASTM E-659
Decomposition temperature: No data available

pH: No data available
Viscosity:
Viscosity, kinematic: No data available
Viscosity, dynamic: No data available
Water solubility: No data available
Partition coefficient n-octanol/water: No data available
Vapor pressure: 11,9 hPa at 20 °C - Regulation (EC) No. 440/2008, Annex, A.4
Density: 0,971 g/cm3 at 20 °C
Relative density: No data available
Relative vapor density: No data available

Particle characteristics: No data available
Explosive properties: No data available
Oxidizing properties: none
Other safety information:
Dissociation constant: 9,6 at 22 °C
Molecular Weight: 148.23 g/mol
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 3
Rotatable Bond Count: 4

Exact Mass: 148.05557077 Da
Monoisotopic Mass: 148.05557077 Da
Topological Polar Surface Area: 27.7 Å²
Heavy Atom Count: 9
Formal Charge: 0
Complexity: 81.9
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0

Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
Chemical formula: C8H18O3Si
Molar mass: 190.31
Appearance: Colorless liquid
Density: 0.903 g/cm3
Boiling point: 160–161 °C (320–322 °F; 433–434 K)
CAS Number: 2768-02-7

Purity: ≥ 99% (TIPT)
Molecular Formula: C5H12O3Si
Molecular Weight: 148.23
MDL Number: MFCD00008605
PubChem ID: 76004
Density: 0.968 g/mL at 25 °C
Appearance: Transparent, colorless liquid
Boiling Point: 122-124 ºC
Refractive Index: 1.390 ± 0.005

Conditions: Store at 0-8 °C
Reactivity: Trimethoxyvinylsilane is a reactive compound which can react violently with water,
strong acids and strong bases.
Boiling point: 152°C
Melting point: -85°C
Solubility: It is soluble in water, forming an acidic solution.
CAS: 2768-02-7
EINECS: 220-449-8
InChI: InChI=1/C5H12O3Si/c1-5-9(6-2,7-3)8-4/h5H,1H2,2-4H3
InChIKey: NKSJNEHGWDZZQF-UHFFFAOYSA-N

Molecular Formula: C5H12O3Si
Molar Mass: 148.23
Density: 0.968 g/mL at 25 °C (lit.)
Boling Point: 123 °C (lit.)
Flash Point: 73°F
Water Solubility: slightly soluble
Vapor Presure: 88 hPa (55 °C)
Appearance: liquid
Specific Gravity: 0.970
Color: Colorless to Almost colorless
BRN: 1099136
Storage Condition: Store below +30°C.

Sensitive: 7: reacts slowly with moisture/water
Explosive Limit: 1.1%(V)
Refractive Index: n20/D 1.392(lit.)
Physical and Chemical Properties:
Density 0.9718; boiling point 123°C;
refractive index 1.3915-1.3935;
flash point 22°C; water-soluble soda solution
CBNumber: CB1167841
Molecular Formula: C5H12O3Si
Molecular Weight: 148.23
MDL Number: MFCD00008605
MOL File: 2768-02-7.mol

FIRST AID MEASURES of BRB SILANIL 276:
-Description of first-aid measures:
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
Immediately call in physician.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with water/ shower.
Consult a physician.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed:
No data available

ACCIDENTAL RELEASE MEASURES of BRB SILANIL 276:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Take up with liquid-absorbent material.
Dispose of properly.

FIRE FIGHTING MEASURES of BRB SILANIL 276:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Remove container from danger zone and cool with water.
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of BRB SILANIL 276:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses.
*Skin protection:
Full contact:
Material: butyl-rubber
Minimum layer thickness: 0,7 mm
Break through time: 480 min
Splash contact:
Material: Nitrile rubber
Minimum layer thickness: 0,4 mm
Break through time: 30 min
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of BRB SILANIL 276:
-Precautions for safe handling:
*Advice on safe handling:
Work under hood.
*Advice on protection against fire and explosion:
Take precautionary measures against static discharge.
*Hygiene measures:
Immediately change contaminated clothing.
Wash hands and face after working with substance.
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Keep container tightly closed in a dry and well-ventilated place.

STABILITY and REACTIVITY of BRB SILANIL 276:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature)