Description

Methanol, (1,1,3,3-Tetramethyl-1,3-Disiloxanediyl)Bis-, Diacetate is a specialized organosilicon compound that serves as a versatile chemical intermediate and protecting group reagent. Its value lies in its bifunctional structure, which combines silyl ether and acetate moieties, enabling precise synthetic modifications in advanced chemical manufacturing. This product is essential for researchers and industrial chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity reagents for complex synthesis.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing silicon-containing functional groups or as a protecting group for alcohols.
• Agrochemical Synthesis: Serves as a key building block in the production of advanced pesticides and herbicides where specific silicon-based modifications are required.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty silicones, siloxane-based polymers, and hybrid organic-inorganic materials.
• Surface Modification Agent: Employed to functionalize surfaces (e.g., silica, glass) with specific organic groups for improved adhesion, hydrophobicity, or biocompatibility.
• Chemical Research & Development: A valuable reagent in organic synthesis laboratories for constructing complex molecular architectures, including natural product synthesis.
• Electronics Industry: Used in precursor formulations for silicon-based thin films and coatings in semiconductor and microelectronics manufacturing.

Basic Information

Item	Details
Product Name	Methanol, (1,1,3,3-Tetramethyl-1,3-Disiloxanediyl)Bis-, Diacetate
CAS No.	5360-04-3
Molecular Formula	C10H24O5Si2
Molecular Weight	280.47 g/mol
Synonyms	1,3-Bis(acetoxymethoxy)-1,1,3,3-tetramethyldisiloxane; Bis(acetoxymethoxy)tetramethyldisiloxane; Tetramethyl-1,3-bis(acetoxymethoxy)disiloxane; Acetic Acid [(1,1,3,3-Tetramethyl-1,3-disiloxanediyl)bis(methylene)] Ester; TMDS Diacetate; (Acetoxymethoxy)tetramethyldisiloxane; Disiloxane, 1,3-bis(acetoxymethoxy)-1,1,3,3-tetramethyl-
EINECS	226-341-6

Quality Control

Our production of Methanol, (1,1,3,3-Tetramethyl-1,3-Disiloxanediyl)Bis-, Diacetate adheres to a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial synthesis. 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, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed due to potential moisture sensitivity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.410 - 1.415
Density (g/mL at 20°C)	1.00 - 1.05

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