Tris[3-(trimethoxysilyl)propyl] Isocyanurate: FAQs

Tris[3-(trimethoxysilyl)propyl] Isocyanurate is a trifunctional organosilane crosslinker featuring a symmetric isocyanurate core and three trimethoxysilylpropyl arms, enabling simultaneous covalent bonding to inorganic surfaces and polymer matrices.

Chemical Name

Tris[3-(trimethoxysilyl)propyl] Isocyanurate

Aladdin SKU

T162279

Functional Groups

Three trimethoxysilyl groups and one isocyanurate ring

Primary Applications

Surface modification of silica/glass, polymer crosslinking, adhesion promotion

Hydrolysis Behavior

Methoxy groups hydrolyze in the presence of moisture to form reactive silanols

Storage Recommendation

Store in a cool, dry place away from moisture; keep container tightly sealed

What Is Tris[3-(trimethoxysilyl)propyl] Isocyanurate and How Does It Work?

Tris[3-(trimethoxysilyl)propyl] Isocyanurate (SKU T162279) is a multifunctional organosilane reagent built around a 1,3,5-triazine-2,4,6-trione (isocyanurate) core. Three propyl-linked trimethoxysilyl groups radiate symmetrically from this core, giving the molecule nine hydrolyzable methoxy groups in total.

The working mechanism proceeds in two stages. First, in the presence of trace moisture, the methoxy groups hydrolyze to silanol (Si–OH) groups, which then condense with hydroxyl groups on inorganic substrates such as silica, glass, or metal oxide surfaces, forming stable Si–O–surface covalent bonds. Second, excess silanols can condense with one another to build a crosslinked polysiloxane network. The isocyanurate ring itself is thermally stable and chemically inert under most processing conditions, acting as a rigid, thermally resistant scaffold that imparts additional UV stability relative to aliphatic analogs.

Key Applications in Research and Industry

Tris[3-(trimethoxysilyl)propyl] Isocyanurate is widely used across several research and industrial domains:

• Surface functionalization: The reagent modifies silica, glass slides, optical fibers, and silicon wafers to introduce a dense, crosslinked silane layer. This is valuable for creating protein-resistant coatings, biosensor platforms, and controlled-wettability surfaces.
• Polymer and composite reinforcement: As a coupling agent at the inorganic filler–polymer interface, it improves mechanical adhesion between glass fiber or silica filler and polymer matrices, enhancing tensile strength and durability in composites.
• Adhesive and sealant formulations: Its trifunctional architecture creates a more robust crosslinked network than monofunctional silanes, improving cohesive strength and moisture resistance in adhesive systems.
• Coatings with UV and thermal stability: The isocyanurate core provides inherent UV absorption and thermal resistance, making formulations incorporating this silane suitable for outdoor or high-temperature applications.

Handling, Storage, and Safety Guidance

Storage: Store Tris[3-(trimethoxysilyl)propyl] Isocyanurate in a tightly sealed container in a cool, dry location away from moisture and direct sunlight. Exposure to atmospheric humidity will trigger premature hydrolysis and condensation, reducing reagent efficacy over time.

Handling precautions: Work in a well-ventilated fume hood. Avoid contact with skin, eyes, and clothing. Methanol is released during hydrolysis; ensure adequate ventilation when using this reagent in open systems or at elevated temperatures. Wear appropriate personal protective equipment (PPE) including chemical-resistant gloves, safety glasses, and a lab coat.

Disposal: Dispose of waste in accordance with local and institutional regulations governing organosilane and methanol-containing waste streams.

Note: Always consult the current Safety Data Sheet (SDS) for T162279 before use. Specific hazard classifications and regulatory data should be taken from the official SDS, as conditions may vary by jurisdiction.

Ordering, Specifications, and Quality

Tris[3-(trimethoxysilyl)propyl] Isocyanurate is available from Aladdin Scientific under SKU T162279. Researchers and procurement teams are encouraged to contact Aladdin Scientific directly for current pack sizes, pricing, purity specifications, certificate of analysis (CoA), and lead times.

When evaluating suitability for sensitive applications such as surface chemistry or analytical reference work, request the CoA to verify purity grade, appearance, and any provided spectral data (e.g., NMR or GC purity). For bulk or custom-quantity inquiries, Aladdin Scientific's sales team can provide quotations tailored to project needs.

Note: Detailed purity and specification data for T162279 were not available in the source material at the time of writing. Consult the current product page or contact Aladdin Scientific for the latest specifications.

Frequently asked questions

What makes Tris[3-(trimethoxysilyl)propyl] Isocyanurate different from conventional monosilane coupling agents?

Unlike monosilane coupling agents that carry a single trialkoxysilyl group, this compound provides three trimethoxysilyl arms anchored to a central isocyanurate core. This architecture allows formation of a more densely crosslinked silane network on a substrate surface, potentially improving moisture resistance and mechanical robustness. The isocyanurate ring also imparts additional thermal and UV stability compared to aliphatic linkers.

How should I prepare a surface treatment solution using this silane, and what substrates are compatible?

Typically, trimethoxysilane reagents are diluted in an aqueous-alcohol solvent system (e.g., ethanol/water) at low concentration, with pH adjusted to mildly acidic conditions to facilitate controlled hydrolysis before application to the substrate. Compatible substrates include silica, glass, silicon wafers, alumina, and other metal oxide surfaces bearing surface hydroxyl groups. Optimal concentration, pH, and reaction time should be determined empirically for each specific application, as no single universal protocol applies to all use cases.

Why is moisture control so important when storing and using this reagent?

The nine methoxy groups on this molecule are hydrolytically labile: even atmospheric humidity can trigger hydrolysis to silanol groups, which subsequently undergo self-condensation to form oligomeric or polymeric siloxane species. Once self-condensed, the reagent loses the free silanol groups needed to bond covalently to substrate surfaces, significantly diminishing its coupling efficiency. Always store the reagent in a sealed container under dry conditions and work quickly when the container is open.

Is Tris[3-(trimethoxysilyl)propyl] Isocyanurate suitable for bioconjugation or life-science surface applications?

This silane can be used to create a crosslinked silane underlayer on glass or silica substrates, providing a stable, chemically defined foundation for further functionalization. However, the isocyanurate and silane groups themselves are not reactive toward biomolecules under typical aqueous biological conditions. Researchers typically use this reagent as a base coating layer, then introduce additional functional groups (e.g., amine, epoxy, or NHS-ester silanes) or employ other bioconjugation chemistry atop the silane layer. Biocompatibility for specific assays should be validated experimentally.

How do I order Tris[3-(trimethoxysilyl)propyl] Isocyanurate from Aladdin Scientific?

Order Tris[3-(trimethoxysilyl)propyl] Isocyanurate using SKU T162279 on the Aladdin Scientific website or by contacting the sales team directly. Provide the SKU and desired quantity when requesting a quote. For institutional or bulk purchasing, Aladdin Scientific can provide tailored pricing and delivery arrangements.

References

1. Plueddemann, E. P. Silane Coupling Agents, 2nd ed.; Plenum Press: New York, 1991. (General reference on silane coupling agent chemistry and mechanisms.)
2. Leyden, D. E.; Collins, W. T. (Eds.) Silylated Surfaces; Gordon and Breach: New York, 1980. (Reference on surface silylation chemistry.)
3. Aladdin Scientific Product Page, SKU T162279: Tris[3-(trimethoxysilyl)propyl] Isocyanurate. https://www.aladdin-e.com (accessed 2024).

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.