Description

2,2,10,10-Tetramethyl-5,6-Bis(trimethylsilyloxy)-3,9-dioxa-2,10-disilaundecane is a specialized organosilicon compound featuring a unique disiloxane-dioxane backbone. This chemical is valued for its role as a versatile silylating agent and protecting group precursor in advanced synthetic chemistry. It is primarily sought after by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of complex molecules where precise functional group manipulation is critical.

Application

• Pharmaceutical Intermediate Synthesis: Used as a key reagent for protecting hydroxyl groups during the multi-step synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Employed in the production of advanced pesticides and herbicides where silicon-containing moieties enhance biological activity or stability.
• Fine Chemical Production: Serves as a building block in the preparation of specialty siloxanes, liquid crystals, and other high-value organosilicon compounds.
• Polymer Modification: Acts as a cross-linking agent or functional modifier in the synthesis of specialty silicones and hybrid organic-inorganic polymers.
• Laboratory Research: A valuable tool in academic and industrial R&D for developing new synthetic methodologies involving silyl ether chemistry.
• Surface Treatment: Can be utilized to modify surface properties of materials, imparting hydrophobicity or altering reactivity.

Basic Information

Item	Detail
Product Name	2,2,10,10-Tetramethyl-5,6-Bis(trimethylsilyloxy)-3,9-dioxa-2,10-disilaundecane
CAS No.	74742-37-3
Molecular Formula	C16H42O4Si4
Molecular Weight	410.88 g/mol
Synonyms	1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyloxy)methyl]trisiloxane; 1,3-Bis[(trimethylsilyloxy)methyl]-1,1,3,3-tetramethyldisiloxane; 1,3-Bis(hydroxymethyl)-1,1,3,3-tetramethyldisiloxane bis(trimethylsilyl) ether; Tetramethyldisiloxane-1,3-diylbis(methylene) bis(trimethylsilyl) ether; Bis(trimethylsiloxymethyl)tetramethyldisiloxane; Disiloxane, 1,3-bis[(trimethylsilyloxy)methyl]-1,1,3,3-tetramethyl-
EINECS	Contact for details

Quality Control

Our production of 2,2,10,10-Tetramethyl-5,6-Bis(trimethylsilyloxy)-3,9-dioxa-2,10-disilaundecane adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting all critical specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.4050 - 1.4100
Density (20°C)	0.90 - 0.95 g/mL

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