Decamethyl 1,9 dichloropentasiloxane

Base Information

• Chemical Name: Decamethyl 1,9 dichloropentasiloxane
• CAS No.: 14741-59-4
• Molecular Formula: C10H30 Cl2 O4 Si5
• Molecular Weight: 425.679
• Hs Code.: 2934999090
• Mol file: 14741-59-4.mol

Synonyms:1,9-Dichloro-1,1,3,3,5,5,7,7,9,9-decamethylpentasiloxane;1,9-Dichlorodecamethylpentasiloxane

Chemical Property of Decamethyl 1,9 dichloropentasiloxane

Chemical Property:

• Vapor Pressure: 0.00286mmHg at 25°C
• Melting Point: -80 °C
• Refractive Index: 1.43
• Boiling Point: 70 °C
• Flash Point: 110.2°C
• PSA: 36.92000
• Density: 1.012g/cm³
• LogP: 5.03940

Purity/Quality:

99% ^*data from raw suppliers

1,9-DICHLORODECAMETHYLPENTASILOXANE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Decamethyl 1,9 dichloropentasiloxane

There total 6 articles about Decamethyl 1,9 dichloropentasiloxane 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:

dimethylsilicon dichloride (75-78-5,30107-43-8) → octamethylcyclotetrasiloxane (556-67-2) + 1,9-dichlorodecamethylpentasiloxane (14741-59-4) + decamethylcyclopentasiloxane (541-02-6) + dodecamethyl-cyclohexasiloxane (540-97-6)

Guidance literature:

With sodium nitrate; at 0 ℃; for 2h; Yield given; Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;

Reference yield:

dimethylsilicon dichloride (75-78-5,30107-43-8) → 1,1,3,3-tetramethyl-1,3-dichlorodisiloxane (2401-73-2) + 1,5-dichlorohexamethyltrisiloxane (3582-71-6) + 1,7-dichlorooctamethyltetrasiloxane (2474-02-4) + 1,9-dichlorodecamethylpentasiloxane (14741-59-4) + 1,11-dichloro-1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-hexasiloxane (16106-81-3)

Guidance literature:

With H₂O; In 1,4-dioxane; diethyl ether; water; addn. of H2O (8.3 mol) in dioxane to a soln. of (CH3)2SiCl2 (16.6 mol) in ether;;

DOI:10.1021/ja01207a004

Reference yield:

octamethylcyclotetrasiloxane (556-67-2) → 1,1,3,3-tetramethyl-1,3-dichlorodisiloxane (2401-73-2) + 1,5-dichlorohexamethyltrisiloxane (3582-71-6) + 1,7-dichlorooctamethyltetrasiloxane (2474-02-4) + 1,9-dichlorodecamethylpentasiloxane (14741-59-4) + 1,11-dichloro-1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-hexasiloxane (16106-81-3)

Guidance literature:

With AlCl₃; In neat (no solvent); ((CH3)2SiO)4 and AlCl3 at about 120°C;;

upstream raw materials:

dimethylsilicon dichloride

octamethylcyclotetrasiloxane

Downstream raw materials:

α.ω-Bis--tetradekamethylheptasiloxan

1,5-dichlorohexamethyltrisiloxane

1,7-dichlorooctamethyltetrasiloxane

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