56706-11-7

Basic information

• Product Name: 4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
• Synonyms: 4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane;Bis(3-triethoxysilylpropyl) pertrisulfide;Bis[3-(triethoxysilyl)propyl] pertrisulfide;Einecs 260-351-2
• CAS NO: 56706-11-7
• Molecular Formula: C₁₈H₄₂O₆S₃Si₂
• Molecular Weight: 506.88848
• EINECS: 260-351-2
• Mol File: 56706-11-7.mol
• Article Data: 6

Chemical Properties

• Boiling Point: 480.5°Cat760mmHg
• Flash Point: 244.4°C
• Appearance: /
• Density: 1.062g/cm³
• Vapor Pressure: 6.27E-09mmHg at 25°C
• Refractive Index: 1.487
• CAS DataBase Reference: 4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane(56706-11-7)
• EPA Substance Registry System: 4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane(56706-11-7)

Safety Data

• Hazardous Substances Data: 56706-11-7(Hazardous Substances Data)

Usage

General Description

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane is a complex chemical compound with a long and intricate molecular structure. It contains both organic and inorganic elements, with ethoxy, oxa, thia, and sila groups incorporated into its composition. 4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane is mainly used in the field of chemistry for research and experimentation purposes, particularly in the development of new materials and compounds. It has potential applications in various industries, including pharmaceuticals, materials science, and nanotechnology. However, due to its complexity, precise handling and understanding of its properties are crucial for safe and effective utilization.

InChI:InChI=1/C18H42O6S3Si2/c1-7-19-28(20-8-2,21-9-3)17-13-15-25-27-26-16-14-18-29(22-10-4,23-11-5)24-12-6/h7-18H2,1-6H3

Upstream product

• 5089-70-3 (3-chloropropyl)triethoxysilane 
• 56706-10-6 4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane 
• 40372-72-3 bis(3-triethoxysilylpropyl) tetrasulfide 
• 111-64-8 n-octanoic acid chloride 

Relevant articles and documents

PROCESS FOR PREPARING ORGANOSILANES

The invention relates to a process for preparing organosilanes of the general formula I by reacting (haloorganyl)alkoxysilane of the formula II with hydrous alkali metal hydrogensulphide, sulphur and alkali metal carbonate in alcohol, wherein the molar (haloorganyl)alkoxysilane of the formula II to alkali metal hydrogensulphide ratio is between 1:0.4 and 1:0.75, and the molar alkali metal hydrogensulphide to alkali metal carbonate ratio is between 1:0.5 and 1:1.5.

Preparation of sulfide chain-bearing organosilicon compounds

By reacting a halogenoalkyl group-bearing organosilicon compound and optionally sulfur with an aqueous solution or water dispersion of an ammonium or alkali metal polysulfide or a hydrate thereof in the presence of a phase transfer catalyst, a sulfide chain-bearing organosilicon compound having the average compositional formula (2): [in-line-formulae](R1O)(3-p)(R2)pSi—R3—S—R3—Si(OR1)(3-p)(R2)p ??(2) [/in-line-formulae] wherein m has an average value of 2≦m≦6 is obtained in high yields and at a low cost with minimized formation of a monosulfide-bearing organosilicon compound.

Process for the manufacture of blocked mercaptosilanes

A process for the manufacture of a blocked mercaptosilane comprising: reacting at least one polysulfane-containing organosilicon compound of the general formula: (R13SiG)2Sn (a) in which each R1is independently methoxy, ethoxy or alkyl of from 1 to about 6 carbon atoms, provided, that at least one R1group is methoxy or ethoxy, G is an alkylene group of from 1 to about 12 carbon atoms and n is from 2 to about 8, with at least one alkali metal, alkaline earth metal or a basic derivative of an alkali metal or alkaline earth metal to provide the corresponding metal salt of the polysulfane-containing organosilicon compound and; (b) reacting the metal salt of the polysulfane-containing organosilicon compound with an acyl halide or carbonyl dihalide to provide a blocked mercaptosilane.