Description

2-(Iodomethyl)-2,4,4,6,6,8,8-Heptamethylcyclooctanetetrasiloxane is a specialized organosilicon compound featuring a reactive iodomethyl functional group on a cyclooctasiloxane backbone. This unique structure makes it a valuable functional siloxane intermediate for introducing silicon-containing moieties into more complex molecular architectures. It is primarily sought by R&D chemists and process engineers in the advanced materials, specialty polymers, and silicone chemistry sectors for developing novel hybrid materials with tailored properties.

Application

• Silicone Polymer Modification: Acts as a reactive monomer or cross-linking agent for synthesizing custom polysiloxanes with specific chain architectures.
• Hybrid Material Synthesis: Serves as a key precursor for creating inorganic-organic hybrid (IOH) materials and silsesquioxane (POSS) derivatives.
• Surface Functionalization: Used to modify the surface properties of silica, glass, or other inorganic substrates via the reactive iodo group.
• Pharmaceutical & Agro-chemical Intermediates: Employed in the research and development of active ingredients or delivery systems that incorporate siloxane units.
• Adhesive & Sealant Formulations: Functions as a specialty additive to enhance the adhesion, thermal stability, or flexibility of silicone-based formulations.
• Lithography & Microelectronics: Investigated as a potential precursor for silicon-containing resist materials in advanced semiconductor patterning.

Basic Information

Product Name	2-(Iodomethyl)-2,4,4,6,6,8,8-Heptamethylcyclooctanetetrasiloxane
CAS No.	17882-88-1
Molecular Formula	C15H39I O12Si8
Molecular Weight	879.94 g/mol
Synonyms	Iodomethylheptamethylcyclooctasiloxane; 1-Iodo-3,3,5,5,7,7,9,9,11,11,13,13,15,15-Tetradecamethyloctasiloxane; Cyclooctasiloxane, 2-(iodomethyl)-2,4,4,6,6,8,8-heptamethyl-; Iodomethyl-substituted D4 derivative; Reactive Cyclic Siloxane Monomer; Organoiodosiloxane; CAS 17882-88-1
EINECS	Contact for details

Quality Control

Our production of 2-(Iodomethyl)-2,4,4,6,6,8,8-Heptamethylcyclooctanetetrasiloxane adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including NMR, FT-IR, and HPLC, to confirm structural identity and purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our commitment ensures the consistency and reliability required for your advanced research and development projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to the light-sensitive nature of the iodomethyl group, prolonged exposure to light should be avoided. Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Iodine Content	Contact for details
Specific Gravity (25°C)	Contact for details
Refractive Index (n20D)	Contact for details

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