Description

2,2,4,28,28-Pentamethyl-2,28-Disila-3,27-Dioxanonacosane is a specialized organosilicon compound, a member of the siloxane family, identified by CAS No. 56196-19-1. This chemical is valued for its unique molecular architecture, which imparts specific properties useful in advanced material science and specialty chemical synthesis. It is primarily sought by R&D chemists and formulators in the polymer, silicone, and specialty lubricant industries for creating novel materials with tailored performance characteristics.

Application

• Advanced Silicone Polymer Synthesis: Acts as a key monomer or chain extender for creating novel polysiloxanes with specific chain lengths and properties.
• Specialty Lubricants and Greases: Used as a high-performance base fluid or additive to enhance thermal stability, lubricity, and water repellency.
• Surface Modification Agent: Imparts hydrophobic or release properties to surfaces in coatings and treatments.
• Pharmaceutical and Cosmetic Intermediates: Serves as a building block in the synthesis of siloxane-based active ingredients or excipients.
• Research & Development: A valuable tool for academic and industrial research into new organosilicon chemistry and material properties.
• Adhesive and Sealant Formulations: Contributes to the flexibility, durability, and environmental resistance of high-performance sealants.

Basic Information

Product Name	2,2,4,28,28-Pentamethyl-2,28-Disila-3,27-Dioxanonacosane
CAS No.	56196-19-1
Molecular Formula	C29H62O2Si2
Molecular Weight	498.98 g/mol
Synonyms	1,3-Bis(2,2,4-trimethylpentyl)-1,1,3,3-tetramethyldisiloxane; 2,2,4,28,28-Pentamethyl-2,28-disila-3,27-dioxanonacosane; Disiloxane, 1,3-bis(2,2,4-trimethylpentyl)-1,1,3,3-tetramethyl-; 1,1,3,3-Tetramethyl-1,3-bis(2,2,4-trimethylpentyl)disiloxane; Bis(2,2,4-trimethylpentyl)tetramethyldisiloxane; Tetramethyl-bis(2,2,4-trimethylpentyl)disiloxane
EINECS	Contact for details

Quality Control

Our 2,2,4,28,28-Pentamethyl-2,28-Disila-3,27-Dioxanonacosane is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting specifications for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and performance. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.430 - 1.440
Density (20°C)	0.85 - 0.87 g/mL

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