Description

Pss-(Hydridodimethylsilyloxy)-Heptacycl& CAS NO 307496-20-4 is a specialized organosilicon compound, a heptacyclic cage structure functionalized with a hydridodimethylsilyloxy group. This unique molecular architecture makes it a valuable intermediate for advanced material science, particularly in the development of high-performance silicone polymers and resins. It is primarily sought by R&D and production teams in the electronics, aerospace, and specialty coatings industries for creating materials with enhanced thermal stability, dielectric properties, and mechanical strength.

Application

• Advanced Silicone Resins: A key monomer or cross-linking agent for synthesizing high-temperature resistant and mechanically robust silicone polymers.
• Electronic Encapsulants & Underfills: Used in formulations for protecting sensitive microelectronics due to its potential for excellent dielectric properties and thermal management.
• Specialty Release Coatings & Additives: Imparts unique surface properties and can act as a performance modifier in release liners and industrial coatings.
• Aerospace Composites: Serves as a precursor for silicone-based matrix resins or additives in composite materials requiring extreme environmental durability.
• Adhesives & Sealants: Enhances the thermal and chemical resistance of high-performance silicone adhesives used in demanding applications.
• Research & Development: A valuable building block for academic and industrial research into novel cage-structured organosilicon materials with tailored properties.

Basic Information

Item	Detail
Product Name	Pss-(Hydridodimethylsilyloxy)-Heptacycl& CAS NO 307496-20-4
CAS No.	307496-20-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Heptacyclo[8.4.1.1³,⁸.1⁹,¹⁴.1¹⁵,²⁰.0²,⁹.0⁴,¹³]octasiloxane, 1,3,5,7,9,11,13,15-octakis(dimethylsilyloxy)-; Polyhedral Oligomeric Silsesquioxane (POSS) derivative; Hydrido-functionalized POSS; POSS-(SiH)₈; Octakis(dimethylsiloxy)silsesquioxane; Cage Siloxane; Organosilicon Cage Compound
EINECS	Contact for details

Quality Control

Our production of Pss-(Hydridodimethylsilyloxy)-Heptacycl& CAS NO 307496-20-4 adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including NMR, FT-IR, and HPLC, to ensure consistent purity, structural integrity, and reliable performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to support your quality assurance and regulatory 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). This material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (NMR)	≥ 95.0%
Silicon Hydride Content	Contact for details
Volatile Matter	≤ 2.0%
Solubility	Soluble in common organic solvents (e.g., Toluene, THF)

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