Description

n-Ethyl-n-[(2,4,4,6,6,8,8-Heptamethylcyclooctanetetrasiloxane-2-Yl)Oxy]Ethanamine is a specialized organosilicon compound featuring a unique cyclooctanetetrasiloxane core modified with an ethoxyethylamine functional group. This structure is engineered to provide exceptional performance as a reactive intermediate or functional additive in advanced silicone formulations. It is particularly valuable for industries requiring materials with tailored surface properties, thermal stability, and chemical resistance. Key sectors that utilize this high-purity chemical include specialty polymers, advanced coatings, and performance materials manufacturing.

Application

• Silicone Resin & Polymer Modification: Acts as a reactive monomer or chain extender to introduce amine functionality, enhancing adhesion, cross-linking density, and thermal properties in high-performance silicones.
• Surface Treatment & Coupling Agent: Used to modify inorganic surfaces (e.g., silica, glass, metals) to improve compatibility with organic matrices in composite materials and coatings.
• Release Coatings & Molding Agents: Serves as a key intermediate in formulating non-stick, high-temperature resistant release coatings for industrial and food-contact applications.
• Personal Care & Cosmetic Ingredients: Functions as a conditioning agent and film-former in hair care and skincare products, providing smoothness and manageability.
• Pharmaceutical & Biomedical Intermediates: Utilized in the synthesis of biocompatible silicone-based materials for drug delivery systems and medical devices.
• Adhesive & Sealant Formulations: Enhances the flexibility, durability, and bonding strength of silicone-based adhesives and sealants used in construction and electronics.
• Lubricant & Grease Additives: Improves the lubricity, stability, and performance of specialty lubricants under extreme pressure and temperature conditions.
• Research & Development (R&D): Employed as a valuable building block in academic and industrial R&D for developing novel organosilicon materials with specific functionalities.

Basic Information

Product Name	n-Ethyl-n-[(2,4,4,6,6,8,8-Heptamethylcyclooctanetetrasiloxane-2-Yl)Oxy]Ethanamine
CAS No.	72259-79-1
Molecular Formula	C16H41NO5Si4
Molecular Weight	463.9 g/mol
Synonyms	Ethanamine, N-ethyl-N-[(2,4,4,6,6,8,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocan-2-yl)oxy]-; N-Ethyl-N-[(2,4,4,6,6,8,8-heptamethylcyclooctanetetrasiloxan-2-yl)oxy]ethanamine; Heptamethylcyclooctanetetrasiloxane ethoxyethylamine; Amino-functional cyclooctasiloxane; Silicone amine D4 derivative; Organosilicon amine; Cyclic siloxane amine adduct; Amino-modified D4
EINECS	Contact for details

Quality Control

Our n-Ethyl-n-[(2,4,4,6,6,8,8-Heptamethylcyclooctanetetrasiloxane-2-Yl)Oxy]Ethanamine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our production adheres to cGMP principles where applicable, ensuring reliability for demanding industrial and R&D applications.

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). This compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. Keep away from strong alkali and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.420 - 1.430
Density (20°C)	0.95 - 1.05 g/mL

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