Description

1-Chloro-1,1,3,3-Tetraisopropyl Disiloxane is a high-purity organosilicon intermediate featuring a reactive chlorosilane group and a thermally stable disiloxane backbone. This compound is valued for its role as a versatile building block in the synthesis of advanced silicone polymers and functional silanes. It is primarily utilized by manufacturers in the silicone elastomer, specialty coatings, and advanced materials sectors seeking to introduce specific organic functionalities or cross-linking sites into their products.

Application

• Silicone Polymer Modification: Acts as a key monomer or chain-terminating agent for introducing isopropyl groups and enhancing the thermal stability and hydrophobicity of polydimethylsiloxanes (PDMS).
• Surface Treatment Agent: Used to synthesize silane coupling agents for surface modification of inorganic fillers (e.g., silica, glass) to improve dispersion and compatibility in polymer composites.
• Pharmaceutical & Agro-Intermediate Synthesis: Serves as a protected silanol precursor or a silylating agent in the multi-step synthesis of complex organic molecules.
• Adhesive & Sealant Formulations: Incorporated as a cross-linking component or adhesion promoter in high-performance silicone-based adhesives and sealants.
• Specialty Coatings: Utilized to develop silicone resins with tailored properties for release coatings, water-repellent finishes, and high-temperature resistant paints.
• Research & Development: Employed in academic and industrial R&D for exploring new organosilicon chemistry, dendrimers, and hybrid organic-inorganic materials.

Basic Information

Product Name	1-Chloro-1,1,3,3-Tetraisopropyl Disiloxane
CAS No.	116045-69-3
Molecular Formula	C12H29ClO Si2
Molecular Weight	281.0 g/mol
Synonyms	1,1,3,3-Tetraisopropyldisiloxane, 1-chloro-; Chlorotetraisopropyldisiloxane; Tetraisopropyldichlorodisiloxane (isomer); Bis(chlorodisopropylsiloxy)dimethylsilane (related); Disiloxane, 1-chloro-1,1,3,3-tetrakis(1-methylethyl)-; Chloro(tetraisopropyl)disiloxane
EINECS	Contact for details

Quality Control

Our 1-Chloro-1,1,3,3-Tetraisopropyl Disiloxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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 under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%

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