60764-86-5

Basic information

• Product Name: triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane
• Synonyms: triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane;Bis(3-triethoxysilylpropyl) sulfide;Bis[3-(triethoxysilyl)propyl] sulfide;Brn 2287271;Silane, thiodipropylenebis(triethoxy-;Sulfide, bis(3-triethoxysilylpropyl)
• CAS NO: 60764-86-5
• Molecular Formula: C₁₈H₄₂O₆SSi₂
• Molecular Weight: 442.76
• Mol File: 60764-86-5.mol
• Article Data: 8

Chemical Properties

• Boiling Point: 420.9°C at 760 mmHg
• Flash Point: 208.3°C
• Appearance: /
• Density: 0.985g/cm³
• Vapor Pressure: 6.65E-07mmHg at 25°C
• Refractive Index: 1.452
• CAS DataBase Reference: triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane(CAS DataBase Reference)
• NIST Chemistry Reference: triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane(60764-86-5)
• EPA Substance Registry System: triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane(60764-86-5)

Safety Data

• Hazardous Substances Data: 60764-86-5(Hazardous Substances Data)

Usage

Description

Triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane is an organosilicon compound characterized by a silane group attached to a three-carbon chain with three ethoxy groups and a sulfur atom. This unique structure endows the compound with enhanced adhesion and bonding properties, making it an effective coupling agent for promoting adhesion between organic and inorganic materials. Its ability to form strong bonds at the molecular level contributes to the improved durability and performance of materials.

Uses

Used in Plastics Industry:
Triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane is used as a coupling agent for improving the adhesion between plastic materials and other substrates, such as glass or metal. This enhances the overall durability and performance of plastic products.
Used in Adhesives Industry:
In the adhesives industry, triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane is utilized as a coupling agent to enhance the bonding strength between different materials, including organic and inorganic substrates. This results in improved adhesive properties and increased resistance to environmental factors.
Used in Coatings Industry:
Triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane is employed as a coupling agent in the coatings industry to improve the adhesion of coatings to various surfaces, leading to increased durability and resistance to wear and tear. This ensures a longer-lasting and more effective protective layer for the coated materials.

InChI:InChI=1/C18H42O6SSi2/c1-7-19-26(20-8-2,21-9-3)17-13-15-25-16-14-18-27(22-10-4,23-11-5)24-12-6/h7-18H2,1-6H3

Upstream product

• 2550-04-1 allyltriethoxysilane 
• 5089-70-3 (3-chloropropyl)triethoxysilane 
• 135795-91-4 (3-chloropropyl)-diethoxy-chlorosilane 
• 87765-00-2 (3-chloropropyl)-ethoxy-dichlorosilane 
• 64-17-5 ethanol 
• 2550-06-3 3-chloropropyltrichlorosilane 
• 56706-10-6 4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane 
• 111-64-8 n-octanoic acid chloride 
• 14814-09-6 3-Mercaptopropyltriethoxysilane 
• 40372-72-3 bis(3-triethoxysilylpropyl) tetrasulfide 

Relevant articles and documents

Process for preparing organosilanes

Preparation of organosilane compound (I) comprises reaction of (halo-organo) alkoxysilane compound (II) with sulfurizing agent (alkali hydrogensulfide, metal sulfide and/or metal polysulfide) and optionally in addition with sulfur or hydrogen sulfide in alcohol. Preparation of organosilane compound (I) of formula (Si (R) 2(R1O)(R2)-) nX m comprises reaction of (halo-organo)alkoxysilane compound (II) of formula (Si (R) 2(R1O)(R2)-Hal) with sulfurizing agent (alkali hydrogensulfide (3 wt.%), metal sulfide (Me 2S) and/or metal polysulfide (Me 2S g) (10 wt.%)) and optionally in addition with sulfur or hydrogen sulfide in alcohol. R : 1-8C-alkyl, 1-8C-alkenyl, 1-8C-aryl, 1-8C-aralkyl or OR1; R 1>1-24C-alkyl or alkenyl, aryl, aralkyl, H, alkylether O-(CR 3> 2)-O-alk, O-(CR 3> 2) y-O-alk or alkylpolyether O-(CR 3> 2O) y-alk or O- (CR 3> 2CR 3> 2-O) y-alk; y : 2-20; R 3>H or alkyl; alk : optionally saturated, linear, aliphatic and/or aromatic 1-30C-hydrocarbon; R 2>alk optionally substituted with halo, H, NH 2 or NHR 1>; either X : S; or X : SH; Hal : Cl, Br, F or I; Me : alkali metal, NH 4 or (alkaline earth metal) 1/2; and g : 1, 5-8 or 0. Provided that when n is 2 and m with an average sulfur chain length of 1.5-4.5, then X is S and when n is 1 and m is 1, then X is SH.

Preparation of sulfide chain-bearing organosilicon compounds

By reacting a mixture of a halogenoalkyl group-bearing organosilicon compound and sulfur with an aqueous solution or water dispersion of an ammonium or alkali metal sulfide 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—Sm—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 preparation of (mercaptoorganyl)-alkoxysilanen

Production of mercaptoorganyl alkoxysilanes comprises reacting an alkali metal hydrogen sulfide with a mixture of haloorganyl alkoxysilane and haloorganyl halosilane in an alcohol under pressure in a sealed vessel in the absence of oxygen.