1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane

Base Information

• Chemical Name: 1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane
• CAS No.: 995-82-4
• Molecular Formula: C12H38 O5 Si6
• Molecular Weight: 430.944
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID80880645
• Mol file: 995-82-4.mol

Synonyms:1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane;995-82-4;Hexasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-;2,4,4,6,6,8,8,10,10,12-decamethyl-3,5,7,9,11-pentaoxa-2,4,6,8,10,12-hexasilatridecane;SCHEMBL3695635;DTXSID80880645;HFKXCDXJZSSRJX-UHFFFAOYSA-N;AMY42192;MFCD00513634;AKOS037646545;AS-69467;D4570;1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane #

Chemical Property of 1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane

Chemical Property:

• Vapor Pressure: 0.00161mmHg at 25°C
• Refractive Index: 1.3910 to 1.3950
• Boiling Point: 304.1°C at 760 mmHg
• Flash Point: 137.7°C
• PSA: 46.15000
• Density: 0.8988 g/cm3
• LogP: 3.84340
• Storage Temp.: Inert atmosphere,Room Temperature
• Solubility.: Benzene (Slightly), Dichloromethane (Slightly)
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 10
• Exact Mass: 428.11783345
• Heavy Atom Count: 23
• Complexity: 339

Purity/Quality:

99%, ^*data from raw suppliers

1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: C[Si](C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)C
• Uses: 1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane was studied for antibacterial and antifungal potential.

Technology Process of 1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane

There total 12 articles about 1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane 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: 93.0%

1,1,3,3-Tetramethyldisiloxane (3277-26-7) + octamethylcyclotetrasiloxane (556-67-2) → 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane (995-82-4)

Guidance literature:

With Kg-23 catalyst; at 80 ℃; for 12h; Inert atmosphere;

DOI:10.1016/j.polymer.2015.02.028

Reference yield: 78.0%

dimethylmonochlorosilane (1066-35-9) + octamethylcyclotetrasiloxane (556-67-2) → 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane (995-82-4)

Guidance literature:

With water; sulfur dioxide; Ambient temperature;

DOI:10.1246/cl.1990.2133

Reference yield: 25.8%

dimethylmonochlorosilane (1066-35-9) + octamethylcyclotetrasiloxane (556-67-2) → 1,7-dichlorooctamethyltetrasiloxane (2474-02-4) + 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane (995-82-4) + 1-chloro-1,1,3,3,5,5,7,7,9,9-decamethylpentasiloxane (132118-76-4)

Guidance literature:

With water; pyrographite; for 4h; Ambient temperature;

DOI:10.1246/cl.1990.2133

upstream raw materials:

dimethylmonochlorosilane

1,1,3,3-Tetramethyldisiloxane

octamethylcyclotetrasiloxane

H₂SiEt₂

Downstream raw materials:

dodecamethyl-cyclohexasiloxane

Refernces

• 1、 -. "METHOF FOR PRODUCING HYDRIDOSILANES". Paragraph 0063-0067. . Retrieved 2019/11/22.
• 2、 De Vekki,Skvortsov. "Effect of catalyst structure on the reaction of α-methylstyrene with 1,1,3,3-tetramethyldisiloxane". body text. p. 762 - 777. Retrieved 2009/09/26.