Cyclotetrasiloxane, heptamethylphenyl-

Base Information

• Chemical Name: Cyclotetrasiloxane, heptamethylphenyl-
• CAS No.: 10448-09-6
• Molecular Formula: C13H26 O4 Si4
• Molecular Weight: 358.689
• Hs Code.: 2916399090
• European Community (EC) Number: 233-931-8
• UNII: 50Q464790P
• DSSTox Substance ID: DTXSID9073389
• Nikkaji Number: J85.273B
• Wikidata: Q82001793
• RXCUI: 2166046
• Mol file: 10448-09-6.mol

Synonyms:10448-09-6;Cyclotetrasiloxane, heptamethylphenyl-;HEPTAMETHYLPHENYLCYCLOTETRASILOXANE;Monophenylheptamethylcyclotetrasiloxane;PM(sub 1)MM(sup 3);EINECS 233-931-8;Monophenylheptamethyl cyclotetrasiloxane;BRN 2950424;2,2,4,4,6,6,8-heptamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane;Cyclic monophenylheptamethylcyclotetrasiloxane;4-16-00-01520 (Beilstein Handbook Reference);50Q464790P;2,2,4,4,6,6,8-Heptamethyl-8-phenyl-[1,3 ,5,7,2,4,6,8]cyclotetrasiloxane;SCHEMBL526352;C13H26O4Si4;DTXSID9073389;phenylheptamethylcyclotetrasiloxane;PST 433;PST-433;C13-H26-O4-Si4;heptamethylphenylcyclo-tetrasiloxane;UNII-50Q464790P;heptamethyl-phenyl-cyclotetrasiloxane;LS-58850;2-Phenyl-2,4,4,6,6,8,8-heptamethylcyclotetrasiloxane;Phenylheptamethylcyclotetrasiloxane [(PhMeSiO)(Me2SiO)3];1-PHENYL-1,3,3,5,5,7,7-HEPTAMETHYLCYCLOTETRASILOXANE;CYCLOTETRASILOXANE, 2,2,4,4,6,6,8-HEPTAMETHYL-8-PHENYL-

Chemical Property of Cyclotetrasiloxane, heptamethylphenyl-

Chemical Property:

• Vapor Pressure: 0.00837mmHg at 25°C
• Boiling Point: 275.8°Cat760mmHg
• Flash Point: 107.4°C
• PSA: 36.92000
• Density: 1.01g/cm³
• LogP: 3.15100
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 358.09081544
• Heavy Atom Count: 21
• Complexity: 358

Purity/Quality:

98%,99%, ^*data from raw suppliers

Heptamethylphenylcyclotetrasiloxane ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C[Si]1(O[Si](O[Si](O[Si](O1)(C)C)(C)C2=CC=CC=C2)(C)C)C
• Uses: Heptamethylphenylcyclotetrasiloxane depresses reproductive functions in animals, and causes sterility in mammals.

Technology Process of Cyclotetrasiloxane, heptamethylphenyl-

There total 3 articles about Cyclotetrasiloxane, heptamethylphenyl- 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: 9.0%

1,5-dichlorohexamethyltrisiloxane (3582-71-6) + dichloromethylphenylsilane (149-74-6) → phenylheptamethylcyclotetrasiloxane (10448-09-6)

Guidance literature:

triethylamine; In tetrahydrofuran; water; at -78 - 22 ℃; for 5h; in dry-ice aceton bath;

DOI:10.1016/S0022-328X(00)99534-2

Reference yield:

dimethylsilicon dichloride (75-78-5,30107-43-8) + dichloromethylphenylsilane (149-74-6) → phenylheptamethylcyclotetrasiloxane (10448-09-6)

Guidance literature:

With water;

Reference yield:

→ phenylheptamethylcyclotetrasiloxane (10448-09-6)

Guidance literature:

Entspr. Dichlorsilan, Hydrolyse;

upstream raw materials:

dimethylsilicon dichloride

dichloromethylphenylsilane

1,5-dichlorohexamethyltrisiloxane

Refernces