Cyclotetrasiloxane, 2,2,4,4,6,6-hexamethyl-8-phenyl-

Base Information

• Chemical Name: Cyclotetrasiloxane, 2,2,4,4,6,6-hexamethyl-8-phenyl-
• CAS No.: 17156-72-8
• Molecular Formula: C12H23O4Si4
• Molecular Weight: 343.6506
• UNII: HQL8Z932Q3
• DSSTox Substance ID: DTXSID10169132
• Wikidata: Q83038784
• Mol file: 17156-72-8.mol

Synonyms:BRN 2945629;2,2,4,4,6,6-Hexamethyl-8-phenylcyclotetrasiloxane;CYCLOTETRASILOXANE, 2,2,4,4,6,6-HEXAMETHYL-8-PHENYL-;HQL8Z932Q3;17156-72-8;UNII-HQL8Z932Q3;DTXSID10169132;BRN2945629;BRN-2945629;LS-58851;2,2,4,4,6,6-hexamethyl-8-phenyl-cyclotetrasiloxane;Phenylhexamethylcyclotetrasiloxane [(PhHSiO)(Me2SiO)3]

Chemical Property of Cyclotetrasiloxane, 2,2,4,4,6,6-hexamethyl-8-phenyl-

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: g/cm³
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 343.06734035
• Heavy Atom Count: 20
• Complexity: 320

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si]1(O[Si](O[Si](O[Si](O1)(C)C)(C)C)C2=CC=CC=C2)C

Technology Process of Cyclotetrasiloxane, 2,2,4,4,6,6-hexamethyl-8-phenyl-

There total 2 articles about Cyclotetrasiloxane, 2,2,4,4,6,6-hexamethyl-8-phenyl- 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: 37.0%

1,3,3,5,5-hexamethyltrisiloxane (1189-93-1) + phenylsilane (694-53-1) → 2,2,4,4,6,6-hexamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocan (17156-72-8)

Guidance literature:

1,3,3,5,5-hexamethyltrisiloxane; With tris(pentafluorophenyl)borate; pentan-3-one; In toluene; for 0.5h;

phenylsilane; In toluene; for 0.5h;

Reference yield:

dichlorophenylsilane (1631-84-1) + dimethylsilicon dichloride (75-78-5,30107-43-8) → 2,2,4,4,6,6-hexamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocan (17156-72-8)

Guidance literature:

With water; In diethyl ether;

DOI:10.1007/BF00908277

Reference yield:

2,2,4,4,6,6,8-Heptamethyl-8-vinyl-[1,3,5,7,2,4,6,8]tetroxatetrasilocane (3763-39-1) + 2,2,4,4,6,6-hexamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocan (17156-72-8) → C21H48O8Si8

Guidance literature:

dihydrogen hexachloroplatinate; In isopropyl alcohol; at 150 ℃;

DOI:10.1007/BF00908277

upstream raw materials:

dichlorophenylsilane

dimethylsilicon dichloride

1,3,3,5,5-hexamethyltrisiloxane

phenylsilane