Name: Evonik Dynasylan P Tetra-n-propyl Orthosilicate
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik Dynasylan P Tetra-n-propyl Orthosilicate

High-purity tetra-n-propyl orthosilicate (TPOS) offering excellent hydrolytic stability compared to shorter-chain alkoxysilanes.
Controlled reactivity profile enables precise sol-gel processing for tailored silica network formation.
Low volatility and favorable handling characteristics due to its higher molecular weight and boiling point.
Compatible with a broad range of organic solvents, facilitating integration into coating, adhesive, and composite formulations.
Serves as an efficient silicon source for high-performance silane coupling agents and hybrid organic-inorganic materials.

Typical Applications Of Evonik Dynasylan P Tetra-n-propyl Orthosilicate

Precursor in the synthesis of functionalized silica nanoparticles and mesoporous silica materials.
Key building block in hybrid sol-gel coatings for corrosion protection and surface functionalization.
Reactive intermediate in the production of specialty silane coupling agents for composites and adhesives.
Component in high-temperature stable ceramic precursors and refractory binders.

Chemical Type	Tetra-n-propyl orthosilicate (TPOS)
Product Form	Liquid
Appearance	Clear, colorless to pale yellow liquid
Molecular Formula	C₁₂H₂₈O₄Si
Molecular Weight	264.4 g/mol
Boiling Point	Approx. 230–235 °C at 1013 hPa
Density (20 °C)	0.90–0.92 g/cm³
Refractive Index (20 °C)	1.405–1.415

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