Atomfair 2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctane C8H22O2Si2

Description 2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctane (CAS No. 7381-30-8), also known as trimethyl(2-trimethylsilyloxyethoxy)silane , is a high-purity organosilicon compound with the molecular formula C8H22O2Si2. This colorless to pale yellow liquid is widely utilized in organic synthesis, surface modification, and as a protecting group reagent due to its excellent hydrolytic stability and reactivity. Its bifunctional structure, featuring two trimethylsilyl (TMS) groups linked by an ethylene glycol bridge, makes it a versatile intermediate for silylation reactions. Suitable for laboratory and industrial applications, this compound is packaged under inert gas to ensure stability and longevity. Store in a cool, dry place away from moisture and strong oxidizers.

Description

2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctane (CAS No. 7381-30-8), also known as trimethyl(2-trimethylsilyloxyethoxy)silane, is a high-purity organosilicon compound with the molecular formula C₈H₂₂O₂Si₂. This colorless to pale yellow liquid is widely utilized in organic synthesis, surface modification, and as a protecting group reagent due to its excellent hydrolytic stability and reactivity. Its bifunctional structure, featuring two trimethylsilyl (TMS) groups linked by an ethylene glycol bridge, makes it a versatile intermediate for silylation reactions. Suitable for laboratory and industrial applications, this compound is packaged under inert gas to ensure stability and longevity. Store in a cool, dry place away from moisture and strong oxidizers.

CAS No: 7381-30-8
Molecular Formula: C8H22O2Si2
Molecular Weight: 206.43
Exact Mass: 206.11583301
Monoisotopic Mass: 206.11583301
IUPAC Name: trimethyl(2-trimethylsilyloxyethoxy)silane
SMILES: C[Si](C)(C)OCCO[Si](C)(C)C
Synonyms: 1,2-Bis(trimethylsiloxy)ethane, 2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctane, 3,6-Dioxa-2,7-disilaoctane, 2,2,7,7-tetramethyl-, EINECS 230-950-3, Ethylene glycol, di-TMS

Application

2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctane is commonly employed as a protecting group for diols and hydroxyl-containing compounds in organic synthesis. It serves as a precursor for silicon-based coatings and surface modifiers, enhancing hydrophobicity and chemical resistance in materials science. Additionally, this compound is used in the preparation of specialty siloxane polymers and as a reagent in pharmaceutical intermediates.

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