4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

Base Information

• Chemical Name: 4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
• CAS No.: 56706-10-6
• Deprecated CAS: 264889-67-0,928390-99-2
• Molecular Formula: C18H42O6S2Si2
• Molecular Weight: 474.831
• European Community (EC) Number: 260-350-7
• DSSTox Substance ID: DTXSID5069122
• Nikkaji Number: J267.095J
• Wikidata: Q72447105
• Mol file: 56706-10-6.mol

Synonyms:56706-10-6;4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane;Bis(triethoxysilylpropyl) disulfide;Bis(triethoxysilylpropyl)disulfide;Bis[3-(triethoxysilyl)propyl]disulfide;3,14-Dioxa-8,9-dithia-4,13-disilahexadecane, 4,4,13,13-tetraethoxy-;C18H42O6S2Si2;bis(3-triethoxysilylpropyl)disulfide;triethoxy-[3-(3-triethoxysilylpropyldisulfanyl)propyl]silane;EINECS 260-350-7;EC 260-350-7;Bis(Triethoxysilylpropyl);SCHEMBL51414;DTXSID5069122;bis(triethoxysilylpropyl)disulfane;bis(triethoxysilylpropyl)disulphane;bis(triethoxysilyl-propyl)disulphane;bis(3-triethoxysilylpropyl) disulfide;C18-H42-O6-S2-Si2;MFCD05663903;Bis (triethoxysilyl propyl) disulfide;Bis[3-(Triethoxysilyl)Propyl]Sulfide;AKOS015901665;Bis[3-(Triethoxysilyl) Propyl]Disulfide;CS-0151944;FT-0600395;bis-[gamma-(triethoxysilyl)-propyl]-disulfide;A-1589;D78133;S02135;A869863;Bis (triethoxysilyl propyl) disulfide, tech grade;3,14-dioxa-8,9-ditia-4,13-disilahexadecano, 4,4,13,13-tetraetoxi-

Chemical Property of 4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

Chemical Property:

• Appearance/Colour: Yellowish clear liquid
• Vapor Pressure: 0-7910Pa at 20-25℃
• Melting Point: oC
• Refractive Index: 1.457
• Boiling Point: 443.5 °C at 760 mmHg
• Flash Point: 222.1 °C
• PSA: 105.98000
• Density: 1.024 g/cm³
• LogP: 5.24480
• Storage Temp.: 2-8°C
• Water Solubility.: 14-1000000000μg/L at 20℃
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 21
• Exact Mass: 474.19613447
• Heavy Atom Count: 28
• Complexity: 290

Purity/Quality:

99% ^*data from raw suppliers

4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane 95+% ^*data from reagent suppliers

Safty Information:

• Statements: 20/21/22-36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCO[Si](CCCSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC

Technology Process of 4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

There total 20 articles about 4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane 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: 97.88%

(3-chloropropyl)triethoxysilane (5089-70-3) → 4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane (56706-10-6)

Guidance literature:

With potassium sulfide; tetrabutylammomium bromide; at 75 - 90 ℃; for 4h; Temperature;

Reference yield: 84.0%

(3-chloropropyl)triethoxysilane (5089-70-3) → 3-Mercaptopropyltriethoxysilane (14814-09-6) + bis-[γ-(triethoxysilyl)propyl]sulfide (60764-86-5) + 4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane (56706-10-6)

Guidance literature:

With sodium hydrogen sulfate; sodium hydrogensulfide; tetrabutylammomium bromide; In water; at 75 ℃; for 5.63333h;

Reference yield:

bis(3-triethoxysilylpropyl) tetrasulfide (40372-72-3) + n-octanoic acid chloride (111-64-8) → 3-(octanoylsulfanyl)-1-propyltriethoxysilane (220727-26-4) + octanoic acid ethyl ester (106-32-1) + (3-chloropropyl)triethoxysilane (5089-70-3) + 3-Mercaptopropyltriethoxysilane (14814-09-6) + bis-[γ-(triethoxysilyl)propyl]sulfide (60764-86-5) + 4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane (56706-10-6) + 4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane (56706-11-7)

Guidance literature:

bis(3-triethoxysilylpropyl) tetrasulfide; With sodium; In Solvent 140; at 110 ℃; for 0.75h;

n-octanoic acid chloride; In Solvent 140; at 45 - 104 ℃; for 1h;

With water; In toluene; at 45 ℃; Product distribution / selectivity;

upstream raw materials:

allyltriethoxysilane

(3-chloropropyl)triethoxysilane

(3-chloropropyl)-diethoxy-chlorosilane

(3-chloropropyl)-ethoxy-dichlorosilane

Downstream raw materials:

3-(octanoylsulfanyl)-1-propyltriethoxysilane

octanoic acid ethyl ester

(3-chloropropyl)triethoxysilane

3-Mercaptopropyltriethoxysilane

Refernces

• 1、 -. "Double [propyl triethoxy silane] method for preparing disulfide". Paragraph 0049-0050. . Retrieved 2016/10/20.
• 2、 -. "PROCESS FOR PREPARING ORGANOSILANES". Page/Page column 10. . Retrieved 2010/03/02.