Description

Pss-(4-Vinylphenyl)-Heptacyclopentyl Su& CAS NO 183200-99-9 is a specialized organosilicon compound featuring a unique heptacyclopentyl-substituted silsesquioxane (PSS) cage structure with a vinylphenyl functional group. This molecular architecture provides exceptional thermal stability and allows for precise chemical modification, making it a valuable high-performance additive and precursor in advanced material synthesis. It is primarily utilized by R&D and production teams in the electronics, specialty polymers, and nanotechnology sectors seeking to enhance material properties at the molecular level.

Application

• Hybrid Nanocomposite Fabrication: Serves as a nano-reinforcing agent or cross-linking point in polymer matrices (epoxy, silicone, polyimide) to improve mechanical strength, thermal resistance, and dielectric properties.
• Advanced Electronic Materials: Used as a precursor for low-k dielectric films in semiconductor packaging and as a component in photoresists or encapsulation materials for microelectronics.
• Surface Modification & Coatings: The vinyl group enables grafting onto surfaces or other polymers, creating hydrophobic, oleophobic, or anti-corrosive coatings with high durability.
• Catalyst & Ligand Support: The robust inorganic cage can be used to support metal catalysts or organometallic complexes, enhancing catalyst stability and recyclability in fine chemical synthesis.
• Specialty Additive Development: Functions as a rheology modifier or stabilizer in high-temperature lubricants, gels, and specialty elastomers.

Basic Information

Product Name	Pss-(4-Vinylphenyl)-Heptacyclopentyl Su& CAS NO 183200-99-9
CAS No.	183200-99-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Heptacyclopentyl-(4-vinylphenyl)silsesquioxane; PSS-(4-Vinylphenyl)-Heptacyclopentyl T8 Silsesquioxane; (4-Vinylphenyl)Heptacyclopentyl-POSS; Vinylphenyl-Substituted Polyhedral Oligomeric Silsesquioxane; POSS-Vinylphenyl Heptacyclopentyl Derivative; Cage Siloxane with Vinylphenyl Group; Inorganic-Organic Hybrid Molecule; Octafunctional POSS Monomer
EINECS	Contact for details

Quality Control

Our production of Pss-(4-Vinylphenyl)-Heptacyclopentyl Su& CAS NO 183200-99-9 adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, FT-IR, and HPLC to confirm structural integrity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The container should be kept sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Volatile Content	≤ 2.0%
Heavy Metals	≤ 20 ppm

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