Description

1,3-Dihydro-1,1,3,3-Tetramethyl-2,1,3-Benzoxadisilole is a specialized organosilicon compound, valued for its role as a versatile silylating agent and key synthetic intermediate in advanced material science. Its primary commercial significance lies in its ability to introduce protective siloxane groups into organic molecules, enabling the synthesis of complex, high-performance materials. This product is essential for R&D and production within the pharmaceutical, semiconductor, and specialty polymer industries, where precise chemical modification is critical.

Application

• Silylating Agent in Pharmaceutical Synthesis: Used to protect reactive hydroxyl (-OH) groups during the multi-step synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Surface Modification Agent: Applied in semiconductor and nanotechnology to functionalize silica, glass, or metal oxide surfaces, altering their hydrophobicity and reactivity.
• Precursor for Silicone Polymers: Serves as a monomer or cross-linking agent in the production of specialized silicone resins and elastomers with tailored properties.
• Intermediate for Liquid Crystal Materials: Utilized in the synthesis of organosilicon compounds that form the core structures of liquid crystal displays (LCDs).
• Reagent in Organic Synthesis: Acts as a key reagent for introducing the tetramethyldisiloxanyl group in fine chemical and material science research.
• Adhesion Promoter Formulations: Incorporated into primers and coatings to improve adhesion between organic polymers and inorganic substrates.

Basic Information

Product Name	1,3-Dihydro-1,1,3,3-Tetramethyl-2,1,3-Benzoxadisilole
CAS No.	15074-38-1
Molecular Formula	C11H18O2Si2
Molecular Weight	238.43 g/mol
Synonyms	1,1,3,3-Tetramethyl-1,3-dihydro-2,1,3-benzoxadisilole; 1,3-Dihydro-1,1,3,3-tetramethylbenzo[c][1,2,5]oxadisilole; o-Bis(trimethylsiloxy)benzene; 1,2-Bis(trimethylsiloxy)benzene; Benzene-1,2-diyl bis(trimethylsilicate); TMDSO-Benzene Derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 1,3-Dihydro-1,1,3,3-Tetramethyl-2,1,3-Benzoxadisilole is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is easily oxidized and light-sensitive; prolonged exposure to air or light must be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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