Eicosamethylnonasiloxane

Base Information

• Chemical Name: Eicosamethylnonasiloxane
• CAS No.: 2652-13-3
• Molecular Formula: C20H60 O8 Si9
• Molecular Weight: 681.461
• Hs Code.: 2934999090
• European Community (EC) Number: 220-175-9
• UNII: B639AIG7S0
• DSSTox Substance ID: DTXSID8062575
• Nikkaji Number: J191.707B
• Wikidata: Q27274418
• Mol file: 2652-13-3.mol

Synonyms:Eicosamethylnonasiloxane;Icosamethylnonasiloxane;2652-13-3;Nonasiloxane, eicosamethyl-;Nonasiloxane, 1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,17,17,17-eicosamethyl-;UNII-B639AIG7S0;bis[[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy]-dimethylsilane;B639AIG7S0;EINECS 220-175-9;Eicosamethylnonasiloxan;Nona(dimethylsiloxane);SCHEMBL475596;C20H60O8Si9;DTXSID8062575;C20-H60-O8-Si9;EICOSAMETHYLNONASILOXANE [MI];AS-76239;D92974;Q27274418;1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,17,17,17-Eicosamethylnonasiloxane;2,2,4,4,6,6,8,8,10,10,12,12,14,14,16,16,18,18-octadecamethyl-3,5,7,9,11,13,15,17-octaoxa-2,4,6,8,10,12,14,16,18-nonasilanonadecane;NONASILOXANE, 1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,17,17,17- EICOSAMETHYL-

Chemical Property of Eicosamethylnonasiloxane

Chemical Property:

• Refractive Index: nD20 1.3980
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 73.84000
• Density: 0.931g/cm³
• LogP: 7.70160
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 16
• Exact Mass: 680.22115768
• Heavy Atom Count: 37
• Complexity: 685

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

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

Technology Process of Eicosamethylnonasiloxane

There total 4 articles about Eicosamethylnonasiloxane 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:

Hexamethyldisiloxane (107-46-0) → eicosamethylnonasiloxane (2652-13-3)

Guidance literature:

With sulfuric acid;

Reference yield:

ethyl trimethylsilyl ether (1825-62-3) + diethoxy dimethylsilane (78-62-6) → eicosamethylnonasiloxane (2652-13-3)

Guidance literature:

With hydrogenchloride;

Reference yield:

Hexamethyldisiloxane (107-46-0) + octamethylcyclotetrasiloxane (556-67-2) → eicosamethylnonasiloxane (2652-13-3)

Guidance literature:

With tetrachloromethane; antimonypentachloride;

upstream raw materials:

Hexamethyldisiloxane

ethyl trimethylsilyl ether

diethoxy dimethylsilane

octamethylcyclotetrasiloxane

Refernces