3-Ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsilyloxy)trisiloxane

Base Information

• Chemical Name: 3-Ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsilyloxy)trisiloxane
• CAS No.: 18030-67-6
• Molecular Formula: C11H32O4Si4
• Molecular Weight: 340.715
• Hs Code.: 2931900090
• DSSTox Substance ID: DTXSID50347674
• Nikkaji Number: J542.091A
• Wikidata: Q82121843
• Mol file: 18030-67-6.mol

Synonyms:ethyl tris(trimethylsilyl) silicate;18030-67-6;3-Ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsiloxy)trisiloxane;3-Ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsilyloxy)trisiloxane;SCHEMBL632778;ethoxytris(trimethylsiloxy)silane;DTXSID50347674;Ethyl tris(trimethylsilyl) orthosilicate #;3-Ethoxy-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]pentanetrisiloxane

Chemical Property of 3-Ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsilyloxy)trisiloxane

Chemical Property:

• Boiling Point: 92 °C(Press: 10 Torr)
• PSA: 36.92000
• Density: 0.8806 g/cm3
• LogP: 4.01300
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 8
• Exact Mass: 340.13776564
• Heavy Atom Count: 19
• Complexity: 237

Purity/Quality:

99%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCO[Si](O[Si](C)(C)C)(O[Si](C)(C)C)O[Si](C)(C)C

Technology Process of 3-Ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsilyloxy)trisiloxane

There total 5 articles about 3-Ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsilyloxy)trisiloxane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 89.6%

tetraethoxy orthosilicate (78-10-4) + Hexamethyldisiloxane (107-46-0) → 1,1,1,5,5,5-hexamethyl-3-trimethylsiloxy-3-hydroxytrisiloxane (17477-97-3) + 1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)trisiloxane (3555-47-3) + 3-ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsiloxy)trisiloxane (18030-67-6)

Guidance literature:

Hexamethyldisiloxane; sulfuric acid; at 0 - 10 ℃; for 0.5h;

tetraethoxy orthosilicate; at 10 ℃; for 1.75h;

With water; at 5 - 50 ℃; for 4h;

Reference yield: 82.3%

tetraethoxy orthosilicate (78-10-4) + ethanol (64-17-5) + Hexamethyldisiloxane (107-46-0) → 1,1,1,5,5,5-hexamethyl-3-trimethylsiloxy-3-hydroxytrisiloxane (17477-97-3) + 1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)trisiloxane (3555-47-3) + 3-ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsiloxy)trisiloxane (18030-67-6)

Guidance literature:

ethanol; Hexamethyldisiloxane; at 0 - 10 ℃;

trifluorormethanesulfonic acid; at 10 ℃; for 0.5h;

tetraethoxy orthosilicate; With water; more than 3 stages;

Reference yield:

tetraethoxy orthosilicate (78-10-4) + Hexamethyldisiloxane (107-46-0) → 1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)trisiloxane (3555-47-3) + 1,1,1-trimethyl-3,3,3-triethoxydisiloxane (17861-35-7) + 3,3-diethoxy-1,1,1,5,5,5-hexamethyltrisiloxane (3555-45-1) + 3-ethoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsiloxy)trisiloxane (18030-67-6)

Guidance literature:

With Amberlyst 15 cation-exchange resin; at 40 ℃; for 85h;

DOI:10.1246/bcsj.60.4313

upstream raw materials:

chloro-trimethyl-silane

ethanol

tetraethoxy orthosilicate

Hexamethyldisiloxane

Downstream raw materials:

1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)trisiloxane

Refernces

• 1、 Voronkov,Baryshok,Kuznetsova. "Recovery of trimethylchlorosilane from its azeotropic mixture with SiCl4". . p. 2091 - 2094. Retrieved 2007/10/03.
• 2、 Kuroda, Kazuyuki,Koike, Tetsuhiro,Kato, Chuzo. "Preparation of Alkyl-substituted Partial Trimethylsilyl Silicates from Olivine". . p. 1957 - 1960. Retrieved 2007/10/02.