Description

(Bicycloheptenyl)Ethyl Terminated Polydimethylsiloxane,400-600Cs is a specialized organosilicon polymer featuring a reactive bicycloheptenyl terminal group. This unique structure provides a valuable combination of silicone fluid properties with a site for further chemical modification, such as Diels-Alder reactions. It is primarily utilized by R&D chemists and formulators in the advanced materials and specialty chemical sectors for creating novel silicone-based polymers, coatings, and adhesives with tailored properties.

Application

• Advanced Polymer Synthesis: As a reactive intermediate or macromonomer for synthesizing novel silicone copolymers and hybrid materials.
• Specialty Coatings & Release Agents: Formulation of high-performance, cross-linkable silicone coatings and release agents with enhanced surface properties.
• Adhesive & Sealant Modifiers: Used to modify the rheology, adhesion, and thermal stability of silicone-based adhesives and sealants.
• Lubricant & Fluid Additives: Serves as a high-performance base fluid or additive in specialty lubricants requiring thermal and oxidative stability.
• Research & Development: A key building block in academic and industrial R&D for exploring new materials via Diels-Alder and other cycloaddition chemistries.
• Personal Care & Cosmetic Ingredients: Potential use in high-end cosmetic formulations as a silky, reactive emollient for novel film-forming products.

Basic Information

Product Name	(Bicycloheptenyl)Ethyl Terminated Polydimethylsiloxane,400-600Cs
CAS No.	945244-93-9
Molecular Formula	(C11H16OnSin) - Contact for details
Molecular Weight	~400-600 g/mol (Viscosity average)
Synonyms	Bicyclo[2.2.1]hept-5-ene-2-ethyl-terminated polydimethylsiloxane; Norbornenyl Ethyl-Terminated PDMS; 5-Norbornene-2-ethyl-terminated dimethylsiloxane polymer; Reactive Silicone Fluid BCH-PDMS; Diels-Alder Reactive Silicone; Bicycloheptenyl-functional Siloxane; NB-PDMS; CAS 945244-93-9
EINECS	Contact for details

Quality Control

Our (Bicycloheptenyl)Ethyl Terminated Polydimethylsiloxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including viscosity, refractive index, and functional group analysis, to ensure consistent purity and performance. Comprehensive Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Viscosity (25°C)	400 - 600 cSt
Refractive Index (n20D)	1.400 - 1.410
Specific Gravity (25°C)	0.96 - 1.00
Identification (IR)	Conforms to structure
Purity (NMR)	> 95%
Water Content	< 0.1%

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