Description

1,3 Diisopropoxy Tetramethyl Disiloxane is a versatile organosilicon compound, specifically a functional disiloxane, valued for its role as a key intermediate and coupling agent in advanced material synthesis. Its significance lies in its ability to modify surfaces and polymers, imparting desirable properties such as hydrophobicity, adhesion promotion, and chemical resistance. This product is essential for manufacturers and R&D teams in the silicone, coatings, adhesives, and electronics industries seeking to enhance material performance.

Application

• Silicone Intermediate: A crucial building block for synthesizing more complex silicone polymers and resins.
• Surface Modification Agent: Used to treat inorganic fillers (e.g., silica, glass) to improve dispersion and compatibility in polymer matrices.
• Adhesion Promoter: Enhances the bonding between organic polymers and inorganic substrates in coatings, sealants, and adhesives.
• Hydrophobic Coating Precursor: Imparts water-repellent properties to surfaces in protective coatings and textiles.
• Crosslinking Agent: Functions in room-temperature vulcanizing (RTV) silicone systems and other crosslinkable formulations.
• Electronics & Semiconductor Processing: Used in spin-on dielectric materials and as a surface passivation agent.
• Laboratory Reagent: Serves as a specialized reagent in organic and organometallic synthesis for introducing silyl protecting groups.

Basic Information

Product Name	1,3 Diisopropoxy Tetramethyl Disiloxane
CAS No.	18106-50-8
Molecular Formula	C10H26O3Si2
Molecular Weight	250.48 g/mol
Synonyms	1,3-Bis(isopropoxy)-1,1,3,3-tetramethyldisiloxane; Tetramethyl-1,3-diisopropoxydisiloxane; Diisopropoxytetramethyldisiloxane; 1,1,3,3-Tetramethyl-1,3-diisopropoxydisiloxane; Disiloxane, 1,3-bis(1-methylethoxy)-1,1,3,3-tetramethyl-; Bis(isopropoxy)tetramethyldisiloxane
EINECS	Contact for details

Quality Control

Our 1,3 Diisopropoxy Tetramethyl Disiloxane is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	0.86 - 0.90 g/cm³
Refractive Index (n20D)	1.390 - 1.400

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