Description

2-Hydroxyphenyl [3-(Triethoxysilyl)Propoxy]Phenyl Ketone is a specialized organosilane derivative that combines a ketone and a hydroxyphenyl group with a reactive triethoxysilyl propoxy linker. This unique bifunctional structure makes it a highly effective coupling agent and surface modifier, crucial for enhancing the adhesion and compatibility between organic polymers and inorganic substrates. It is primarily used by formulators and manufacturers in the advanced coatings, adhesives, and composite materials industries seeking to improve product performance and durability.

Application

• Adhesion Promoter in Coatings: Enhances the bonding of paints, primers, and specialty coatings to metal, glass, and mineral surfaces.
• Surface Modification Agent: Used to functionalize silica, glass fibers, and other inorganic fillers to improve dispersion and interfacial strength in polymer composites.
• Coupling Agent for Sealants & Adhesives: Improves the durability and water resistance of silicone, epoxy, and polyurethane-based formulations.
• Intermediate for Advanced Materials: Serves as a key building block in the synthesis of novel silane-modified resins and hybrid organic-inorganic materials.
• Fiberglass and Mineral Reinforcement: Treats reinforcing fibers to optimize mechanical properties in thermoset and thermoplastic composites.

Basic Information

Product Name	2-Hydroxyphenyl [3-(Triethoxysilyl)Propoxy]Phenyl Ketone
CAS No.	94279-21-7
Molecular Formula	C26H38O6Si
Molecular Weight	474.67 g/mol
Synonyms	2-Hydroxy-4-[3-(triethoxysilyl)propoxy]benzophenone; UV Absorber 123; BP-123; 2-Hydroxy-4-(3-triethoxysilylpropoxy)benzophenone; 4-[3-(Triethoxysilyl)propoxy]-2-hydroxybenzophenone; Light Stabilizer 123; Benzophenone UV-123; SilaBenzophenone 123
EINECS	Contact for details

Quality Control

Our production of 2-Hydroxyphenyl [3-(Triethoxysilyl)Propoxy]Phenyl Ketone adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, FT-IR for identification, and Karl Fischer titration for moisture content, to ensure consistency and performance. Certificates of Analysis (COA) documenting all specifications are provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Light yellow to yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.490 - 1.510
Specific Gravity (20°C)	1.05 - 1.15

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.