Description

2,2,4,4,5,5,7,7-Octamethyl-3,6-Dioxa-2,7-Disilaoctane is a high-purity organosilicon compound, also known as 1,2-Bis(trimethylsilyloxy)ethane, valued for its role as a versatile protecting group and silylating agent in complex organic synthesis. Its primary commercial value lies in its ability to protect sensitive functional groups, such as diols, enabling precise and efficient chemical transformations. This product is essential for R&D laboratories and production facilities in the pharmaceutical, agrochemical, and advanced materials sectors where high-yield, selective synthesis is critical.

Application

• Pharmaceutical Intermediate Synthesis: Used as a key protecting agent for hydroxyl groups in the multi-step synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Employed in the production of complex pesticide and herbicide molecules where selective protection is required.
• Polymer & Material Science: Serves as a precursor or modifying agent in the development of silicone-based polymers and specialty materials.
• Organic Synthesis Reagent: Acts as a reliable silylating agent in academic and industrial research for creating moisture-sensitive intermediates.
• Flavor & Fragrance Industry: Utilized in the synthesis of delicate aroma chemicals that require protection from undesired reactions.

Basic Information

Item	Details
Product Name	2,2,4,4,5,5,7,7-Octamethyl-3,6-Dioxa-2,7-Disilaoctane
CAS No.	6730-96-7
Molecular Formula	C10H28O2Si2
Molecular Weight	236.50 g/mol
Synonyms	1,2-Bis(trimethylsilyloxy)ethane; Ethylene glycol bis(trimethylsilyl) ether; 1,2-Ethanediol, 1,2-bis(trimethylsilyl) ether; Bis(trimethylsilyl) ethylene glycol; Glycol bis(trimethylsilyl) ether; TMS-ethylene glycol; 1,2-Bis(O-trimethylsilyl)ethane; O,O'-Bis(trimethylsilyl)ethylene glycol
EINECS	229-794-6

Quality Control

Our 2,2,4,4,5,5,7,7-Octamethyl-3,6-Dioxa-2,7-Disilaoctane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and 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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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