Disiloxane, pentachloro-

Base Information

• Chemical Name: Disiloxane, pentachloro-
• CAS No.: 56240-62-1
• Molecular Formula: Cl5HOSi2
• Molecular Weight: 250.443
• Mol file: 56240-62-1.mol

Synonyms:

Chemical Property of Disiloxane, pentachloro-

Chemical Property:

Purity/Quality:

97%,98%,99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Disiloxane, pentachloro-

There total 4 articles about Disiloxane, pentachloro- 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: 68.5%

2,2-dichloro-6-methyl-1-oxa-2-silacyclohexa-3,5-diene (67608-54-2) + trichlorosilane (10025-78-2) → tetrachlorosilane (10026-04-7,53609-55-5) + pentachlorodisiloxane (56240-62-1)

Guidance literature:

In neat (no solvent); byproducts: trichloropentadienylsilane, 2,2,7.7-Cl4-1-O-2,7-Si2-6-Me-bicyclo(2.2.1)heptene; pyrolysis at 560°C in quartz flow reactor; sepn. by fractional distn.; fraction with b.p. 50-55°C/30 mm contains mixt. of HCl2Si(OSiCl2)2Cl and CH3C6H3SiCl2O;

Reference yield: 35.5%

trichlorosilane (10025-78-2) + (benzyloxy)trichlorosilane (18141-27-0) → hexachlorodisiloxane (14986-21-1) + pentachlorodisiloxane (56240-62-1)

Guidance literature:

In neat (no solvent, gas phase); byproducts: SiCl4, toluene, benzyl chloride; pyrolysis of C6H5CH2OSiCl3 and HSiCl3 (ratio 1:3) at 580°C; distn. of the condensate (110-130°C); further products: HCl2SiOSiCl2OSiCl3, HCl2Si(OSiCl2)2OSiCl3, C6H5CH2SiCl3, C6H5CH2(OSiCl2)2OSiCl3 and C6H5CH2OSiCl2OSiCl3;

Reference yield:

(benzyloxy)trichlorosilane (18141-27-0) → tetrachlorosilane (10026-04-7,53609-55-5) + stilbene (588-59-0) + hexachlorodisiloxane (14986-21-1) + pentachlorodisiloxane (56240-62-1) + benzyl chloride (100-44-7) + toluene (108-88-3,15644-74-3,16713-13-6)

Guidance literature:

With trichlorosilane; at 480 ℃; for 0.00833333h; Product distribution; Mechanism; other amount of HSiCl₃, other temperature;

upstream raw materials:

(benzyloxy)trichlorosilane

trichlorosilane

2,2-dichloro-6-methyl-1-oxa-2-silacyclohexa-3,5-diene

10,10-dichloro-9-oxa-10-sila-9,10-dihydrophenanthrene

Downstream raw materials:

trichlorosilane

Refernces