Description

3-Hydroxypropylisobutyl-Poss is a functionalized polyhedral oligomeric silsesquioxane (POSS) derivative, a hybrid organic-inorganic nanostructured chemical. This compound matters for its unique ability to act as a molecular-level reinforcement agent, enhancing the thermal, mechanical, and chemical resistance properties of polymeric materials. Industries involved in advanced material science, such as high-performance coatings, aerospace composites, and specialty elastomers, require this chemical to develop next-generation products with superior durability and stability.

Application

• As a nanoscale additive in epoxy, silicone, and polyurethane resins to improve thermal stability and flame retardancy.
• For the development of high-performance protective coatings with enhanced scratch, chemical, and UV resistance.
• As a cross-linking or chain-extending agent in the synthesis of novel hybrid organic-inorganic polymers (polyimides, acrylates).
• In aerospace and automotive composites to reduce weight while increasing mechanical strength and heat deflection temperature.
• For modifying elastomers and sealants to achieve better compression set and environmental aging resistance.
• As a precursor for further chemical functionalization to create tailored POSS monomers for specific R&D applications.
• In the formulation of electronic encapsulants and underfill materials requiring low thermal expansion and high purity.

Basic Information

Product Name	3-Hydroxypropylisobutyl-Poss
CAS No.	681235-70-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	3-Hydroxypropylisobutyl-POSS; Isobutyl-POSS-OH; Hydroxypropyl Isobutyl Silsesquioxane; Isobutyl(3-hydroxypropyl) Polyhedral Oligomeric Silsesquioxane; POSS Cage Mixture, 3-Hydroxypropylisobutyl-Substituted; T8-(Isobutyl)7(3-Hydroxypropyl) Silsesquioxane; Hybrid Isobutyl-POSS Monomer
EINECS	Contact for details

Quality Control

Our 3-Hydroxypropylisobutyl-Poss is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, FT-IR, and HPLC, to ensure consistent purity and chemical structure integrity. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support 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 area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder or viscous liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (T8 Cage)
Hydroxyl Value	Contact for details
Residual Solvent	< 0.5%

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