Description

Silsesquioxanes, Ph, Ethoxy- And Hydroxy-Terminated is a specialized organosilicon compound belonging to the polyhedral oligomeric silsesquioxane (POSS) family, characterized by a hybrid inorganic-organic cage-like structure. This material matters for its unique ability to act as a molecular-level reinforcing agent and compatibilizer, enhancing the thermal, mechanical, and chemical resistance properties of polymers and coatings. Industries such as advanced composites, high-performance resins, and specialty coatings rely on this product to develop next-generation materials with superior performance characteristics.

Application

• As a nanoscale additive to improve the thermal stability and flame retardancy of epoxy, silicone, and polyimide resins.
• As a surface modifier and crosslinking agent in high-performance, scratch-resistant coatings and paints.
• As a compatibilizer and property enhancer in polymer blends and nanocomposites for aerospace and automotive components.
• As a precursor for advanced hybrid materials used in electronics encapsulation and low-k dielectric films.
• In the formulation of specialty adhesives and sealants requiring enhanced environmental resistance.
• For research and development of novel biomedical materials and drug delivery systems due to its tunable surface functionality.

Basic Information

Product Name	Silsesquioxanes, Ph, Ethoxy- And Hydroxy-Terminated
CAS No.	114697-06-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phenyl POSS, Ethoxy-Hydroxy Terminated; Polyhedral Oligomeric Silsesquioxane with Phenyl Groups; Octa(ethoxy-hydroxy) Phenyl Silsesquioxane; PhenylT8 Silsesquioxane; Ph-POSS; POSS Cage Mixture, Ph; Hybrid Silica Nanoparticle; Inorganic-Organic Hybrid Resin Precursor
EINECS	Contact for details

Quality Control

Our Silsesquioxanes, Ph, Ethoxy- And Hydroxy-Terminated undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as purity, functional group content, and residual solvent levels. We are committed to supplying material that meets the stringent requirements for research and industrial applications.

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). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or viscous liquid
Identification (IR)	Conforms
Purity (HPLC)	≥ 95% (Cage Structure)
Ethoxy Content	Contact for details
Hydroxy Content	Contact for details
Residual Solvent (GC)	< 0.5%
Moisture Content (KF)	< 1.0%

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