Tetrasiloxane, 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-

Base Information

• Chemical Name: Tetrasiloxane, 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-
• CAS No.: 17928-31-3
• Molecular Formula: C10H30 O5 Si4
• Molecular Weight: 342.687
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID1066281
• Nikkaji Number: J422.002A
• Wikidata: Q81992875
• Mol file: 17928-31-3.mol

Synonyms:17928-31-3;1,7-Dimethoxyoctamethyltetrasiloxane;Tetrasiloxane, 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-;1,7-DIMETHOXY OCTAMETHYLTETRASILOXANE;methoxy-[[[methoxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane;Chol esterylsodiumsulfate;C10H30O5Si4;SCHEMBL2201629;DTXSID1066281;1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxane;C10-H30-O5-Si4;Tetrasiloxane,1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-;1,7-Dimethoxyctamethyltetrasiloxane;MFCD00039800;FT-0637628;1,7-Dimethoxy-1,1,3,3,5,5,7,7-Ctamethyl-Tetrasiloxane;1,1,3,3,5,5,7,7-Octamethyl-1,7-dimethoxyheptanetetrasiloxane

Chemical Property of Tetrasiloxane, 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-

Chemical Property:

• Vapor Pressure: 9.43E-07mmHg at 25°C
• Boiling Point: 245.7°Cat760mmHg
• Flash Point: 94.2°C
• PSA: 46.15000
• Density: 0.93g/cm³
• LogP: 3.13620
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 8
• Exact Mass: 342.11703019
• Heavy Atom Count: 19
• Complexity: 266

Purity/Quality:

99% ^*data from raw suppliers

1,7-DIMETHOXY OCTAMETHYLTETRASILOXANE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CO[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)OC

Technology Process of Tetrasiloxane, 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-

There total 3 articles about Tetrasiloxane, 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl- 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:

methanol (67-56-1) + N-phenyl-1,1,3,3,5,5,7,7-octamethyl-1,3,5,7-tetrasila-2-aza-4,6,8-trioxacyclooctane (58434-69-8) → 1,1,3,3,5,5,7,7-octamethyltetrasiloxane-1,7-diol (3081-07-0) + 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxane (17928-31-3) + aniline (62-53-3)

Guidance literature:

With acetate buffer; In water; at 25 ℃; Rate constant; Thermodynamic data; Kinetics; ΔH^<*>, ΔS^<*>;

DOI:10.1016/0022-328X(91)80098-5

Reference yield:

methanol (67-56-1) + dimethylsilicon dichloride (75-78-5,30107-43-8) → 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxane (17928-31-3)

Guidance literature:

With sodium hydrogencarbonate;

DOI:10.1246/bcsj.28.364

Reference yield:

dimethyldimethoxysilan (1112-39-6) → 1,7-dimethoxy-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxane (17928-31-3)

Guidance literature:

With sodium hydroxide;

upstream raw materials:

dimethyldimethoxysilan

methanol

dimethylsilicon dichloride

N-phenyl-1,1,3,3,5,5,7,7-octamethyl-1,3,5,7-tetrasila-2-aza-4,6,8-trioxacyclooctane

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