Description

Siloxanes And Silicones, Di-Me, Hydroxymethyl Group-Terminated is a specialized organosilicon compound featuring reactive hydroxymethyl end groups. This unique termination provides a versatile platform for chemical modification and cross-linking, making it a valuable intermediate in advanced material synthesis. It is essential for manufacturers in the silicone polymer, specialty coatings, and adhesives industries seeking to introduce hydroxyl functionality or enhance material compatibility.

Application

• Silicone Polymer Modification: Acts as a reactive intermediate or chain extender in the synthesis of custom silicone elastomers, resins, and fluids.
• Cross-linking Agent: Used in formulations for heat-curable silicone rubbers and room-temperature vulcanizing (RTV) systems.
• Surface Treatment & Coupling Agent: Improves adhesion between organic polymers and inorganic substrates like glass, metals, or minerals.
• Specialty Coatings & Release Agents: A key component in formulating high-performance, durable coatings and non-stick release films.
• Adhesive & Sealant Formulations: Enhances the flexibility, thermal stability, and bonding properties of industrial adhesives and sealants.
• Personal Care & Cosmetic Ingredients: Serves as a precursor for silicone derivatives used in hair care and skincare products for conditioning and film-forming properties.
• Pharmaceutical & Medical Device Intermediates: Utilized in the synthesis of biocompatible silicone materials for controlled drug delivery and medical implants.

Basic Information

Item	Detail
Product Name	Siloxanes And Silicones, Di-Me, Hydroxymethyl Group-Terminated
CAS No.	73138-87-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Hydroxymethyl-terminated polydimethylsiloxane; α,ω-Bis(hydroxymethyl)polydimethylsiloxane; Dimethylsiloxane, hydroxymethyl-terminated; Hydroxymethyl end-blocked polydimethylsiloxane; PDMS, hydroxymethyl-terminated; Silicone fluid, hydroxymethyl-terminated; Bis(hydroxymethyl)polydimethylsiloxane; Hydroxymethyl functional silicone oil
EINECS	Contact for details

Quality Control

Our Siloxanes And Silicones, Di-Me, Hydroxymethyl Group-Terminated is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in hydroxyl value, viscosity, and molecular weight distribution. Certificates of Analysis (COA) documenting key specifications 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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Hydroxyl Value	As per customer grade requirement
Viscosity (25°C)	Specified range per grade
Water Content	< 0.5% (or as specified)
Assay (NMR/Titration)	> 95% (typical)

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