Description

Diol-Poss CAS NO 268747-51-9 is a functionalized polyhedral oligomeric silsesquioxane (POSS) monomer featuring two hydroxyl groups, serving as a versatile nanoscale building block. This compound matters because it enables the precise integration of inorganic silica-like cores into organic polymer matrices, dramatically enhancing thermal stability, mechanical strength, and chemical resistance. Industries such as advanced polymer engineering, high-performance coatings, and specialty composites need it to develop next-generation hybrid materials with superior properties.

Application

• High-Performance Polymer Modification: Used as a reactive nanofiller to enhance the thermal stability and mechanical properties of epoxy, polyurethane, and silicone resins.
• Advanced Hybrid Coatings: Incorporated into coating formulations to improve scratch resistance, weatherability, and adhesion for automotive, aerospace, and industrial finishes.
• Specialty Adhesives and Sealants: Acts as a cross-linking agent to increase the strength, durability, and thermal resistance of adhesives.
• Nanocomposite Fabrication: Serves as a precise inorganic precursor for creating organic-inorganic hybrid (OIH) nanocomposites with tailored properties.
• Biomedical Material Engineering: Utilized in developing biocompatible scaffolds and drug delivery systems due to its tunable surface functionality.
• Electronics and Optoelectronics: Applied in low-k dielectric materials, encapsulants, and other components requiring high thermal and dimensional stability.

Basic Information

Product Name	Diol-Poss
CAS No.	268747-51-9
Molecular Formula	C14H38O14Si8
Molecular Weight	663.18 g/mol
Synonyms	1,3-Dihydroxypropylheptaisobutyl-POSS; Dihydroxyfunctionalized POSS; Octa(isobutyl)-1,3-propanediol POSS; POSS Diol; Polyhedral Oligomeric Silsesquioxane Diol; Hybrid Silica Diol; Cage Siloxane Diol; Nanobuilding Block Diol
EINECS	Contact for details

Quality Control

Our Diol-Poss is manufactured under stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure compliance with precise specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and physical properties is provided with every shipment to guarantee traceability and performance consistency for your R&D and production 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 product is hygroscopic (moisture-sensitive). To prevent degradation, the container must be kept tightly sealed in a dry environment and may require handling under an inert atmosphere for long-term storage.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Hydroxyl Value	Contact for details
Melting Point	Contact for details
Loss on Drying	≤ 2.0%

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