PHENYLTRIETHOXYSILANE

Phenyltriethoxysilane is an organosilicon compound used as a silane coupling agent and surface modifier in coatings, adhesives, and composites.
Phenyltriethoxysilane contains a phenyl group bonded to silicon and three ethoxy groups that can hydrolyze and condense with surfaces.
Phenyltriethoxysilane improves adhesion, hydrophobicity, and chemical resistance in a wide variety of formulations.

CAS Number: 780-69-8
EC Number: 212-305-8
Molecular Formula: C12H20O3Si
Molecular Weight: 240.37 g/mol

Synonyms: Phenyltriethoxysilane, Triethoxyphenylsilane, Silane, phenyltriethoxy-, Phenyltriethoxy Silane, Triethoxyphenylsilane Coupling Agent, Organosilane Phenyltriethoxy, PTES, Silane Phenyltriethoxy, Phenyltriethoxysilane Surface Modifier, Phenyltriethoxysilane Adhesion Promoter, Triethoxy(phenyl)silane, Phenyltrialkoxysilane, Organofunctional Silane Phenyltriethoxy, Phenyltriethoxysilane Intermediate, Phenyltriethoxysilane Reagent

APPLICATIONS

Phenyltriethoxysilane is used as a silane coupling agent in composites.
Phenyltriethoxysilane is incorporated into glass fiber treatments for enhanced adhesion.
Phenyltriethoxysilane is applied in polymer composites to improve interfacial bonding.

Phenyltriethoxysilane is used in surface modification of inorganic substrates.
Phenyltriethoxysilane is incorporated into coatings for improved hydrophobicity.
Phenyltriethoxysilane is applied in ceramic surface treatments to enhance compatibility with resins.

Phenyltriethoxysilane is used in sol-gel processes.
Phenyltriethoxysilane is incorporated into hybrid organic–inorganic materials.
Phenyltriethoxysilane is applied in nanostructured coatings for improved performance.

Phenyltriethoxysilane is used in adhesives and sealants.
Phenyltriethoxysilane is incorporated into silicone-based adhesives for durability.
Phenyltriethoxysilane is applied in construction sealants for weather resistance.

Phenyltriethoxysilane is used in paints and coatings.
Phenyltriethoxysilane is incorporated into anticorrosion coatings for metals.
Phenyltriethoxysilane is applied in architectural coatings for enhanced durability.

Phenyltriethoxysilane is used in electronic materials.
Phenyltriethoxysilane is incorporated into encapsulants for semiconductors.
Phenyltriethoxysilane is applied in insulating coatings for electronic components.

Phenyltriethoxysilane is used as a precursor in ceramic and glass manufacturing.
Phenyltriethoxysilane is incorporated into silica networks for strength.
Phenyltriethoxysilane is applied in specialty glass formulations for optical clarity.

Phenyltriethoxysilane is used in water-repellent treatments.
Phenyltriethoxysilane is incorporated into stone and concrete protectants.
Phenyltriethoxysilane is applied in masonry coatings for hydrophobic surfaces.

Phenyltriethoxysilane is used in lubricants and oils as an additive.
Phenyltriethoxysilane is incorporated into formulations to improve thermal stability.
Phenyltriethoxysilane is applied in specialty oils for high-performance machinery.

Phenyltriethoxysilane is used as a coupling agent to improve adhesion between organic polymers and inorganic surfaces.
Phenyltriethoxysilane is employed in adhesives and sealants to enhance bonding to glass, metals, and ceramics.
Phenyltriethoxysilane is incorporated into coatings to improve durability and water resistance.

Phenyltriethoxysilane is applied in surface treatment of glass fibers to enhance compatibility with polymer matrices.
Phenyltriethoxysilane is used in fiberglass-reinforced plastics to increase strength and chemical resistance.
Phenyltriethoxysilane is employed in composite materials to improve interfacial bonding.

Phenyltriethoxysilane is included in paints and varnishes to enhance hydrophobicity.
Phenyltriethoxysilane is applied in anti-corrosion coatings for metals to increase protective performance.
Phenyltriethoxysilane is used in primers to improve adhesion of topcoats.

Phenyltriethoxysilane is utilized in semiconductor processing as a surface modifier.
Phenyltriethoxysilane is applied in sol-gel processes to tailor material properties.
Phenyltriethoxysilane is used in thin-film coatings for electronics.

Phenyltriethoxysilane is incorporated into silicone rubber formulations to improve filler dispersion.
Phenyltriethoxysilane is employed in elastomers to increase mechanical properties.
Phenyltriethoxysilane is used in sealant formulations for enhanced adhesion.

Phenyltriethoxysilane is applied in hydrophobic treatments for mineral surfaces.
Phenyltriethoxysilane is used in stone and concrete protection coatings.
Phenyltriethoxysilane is employed in water-repellent surface treatments.

Phenyltriethoxysilane is used in optical coatings to improve refractive properties.
Phenyltriethoxysilane is applied in specialty glass treatments.
Phenyltriethoxysilane is incorporated into functional films.

Phenyltriethoxysilane is used in catalyst supports to modify surface properties.
Phenyltriethoxysilane is applied in chromatography as a silanization reagent.
Phenyltriethoxysilane is employed in laboratory research as an organosilicon reagent.

Phenyltriethoxysilane is included in chemical vapor deposition processes.
Phenyltriethoxysilane is used in nanomaterial functionalization.
Phenyltriethoxysilane is employed in high-performance composites.

DESCRIPTION

Phenyltriethoxysilane is a clear, colorless to pale yellow liquid with a characteristic odor.
Phenyltriethoxysilane is soluble in organic solvents but reacts with water to form silanols and ethanol.
Phenyltriethoxysilane hydrolyzes readily under acidic or basic conditions.

Phenyltriethoxysilane forms covalent bonds with inorganic substrates such as glass, silica, and metals.
Phenyltriethoxysilane is used as a precursor in sol-gel chemistry.
Phenyltriethoxysilane provides hydrophobic and oleophobic properties to treated surfaces.

Phenyltriethoxysilane improves chemical resistance and mechanical strength in coatings and composites.
Phenyltriethoxysilane is stable under normal conditions but should be protected from moisture.
Phenyltriethoxysilane is flammable and should be handled with care.
Phenyltriethoxysilane is widely used in surface treatment and material modification industries.

PROPERTIES

Chemical Formula: C12H20O3Si
Molecular Weight: 240.37 g/mol
Appearance: Colorless to pale yellow liquid
Odor: Characteristic, slightly aromatic
Density: 0.98 g/cm³
Boiling Point: ~280°C
Flash Point: ~121°C
Solubility: Miscible with organic solvents, hydrolyzes in water
Reactivity: Hydrolyzes to silanols and ethanol; reacts with moisture
Stability: Stable under dry, sealed conditions; moisture-sensitive

FIRST AID

Inhalation:
If inhaled, move to fresh air immediately.
If breathing difficulties occur, seek medical attention.
Provide artificial respiration if necessary.

Skin Contact:
Wash affected skin thoroughly with soap and water.
Remove contaminated clothing and wash before reuse.
Seek medical attention if irritation persists.

Eye Contact:
Rinse eyes with plenty of water for at least 15 minutes.
Seek immediate medical attention if irritation continues.
Remove contact lenses if present and easy to do.

Ingestion:
Rinse mouth with water.
Do not induce vomiting unless instructed by medical personnel.
Seek immediate medical attention.

Note to Physicians:
Treat symptomatically.
No specific antidote.
Provide supportive care.

HANDLING AND STORAGE

Handling:
Wear appropriate PPE, including gloves, goggles, and protective clothing.
Avoid inhalation of vapors and contact with skin and eyes.
Use in a well-ventilated area.

Ventilation:
Provide adequate local exhaust ventilation to minimize vapor exposure.
Use explosion-proof equipment where necessary.

Avoidance:
Avoid contact with moisture, acids, and bases.
Do not eat, drink, or smoke during handling.

Spill and Leak Procedures:
Absorb spills with inert material (sand, vermiculite).
Collect in suitable containers for disposal.
Prevent entry into drains and waterways.

Storage:
Store in tightly closed containers under dry, cool conditions.
Keep away from moisture, heat, and ignition sources.
Store in a well-ventilated area.

Handling Cautions:
Moisture-sensitive; hydrolyzes to release ethanol.
Flammable liquid; keep away from sparks and open flames.
Maintain proper labeling and sealed storage conditions.