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![Bis[3-(triethoxysilyl)propyl]tetrasulfide, S 22.3% (typical)](https://assets.fishersci.com/TFS-Assets/CCG/Chemical-Structures/chemical-structure-cas-40372-72-3.jpg-650.jpg)
![Bis[3-(triethoxysilyl)propyl]tetrasulfide, S 22.3% (typical)](https://assets.fishersci.com/TFS-Assets/CCG/logos/Thermo-Scientific-Stacked.jpg-650.jpg)
Bis[3-(triethoxysilyl)propyl]tetrasulfide, S 22.3% (typical)
Coupling/cross-linking agent for precious metals | CAS: 40372-72-3 | C18H42O6S4Si2 | 538.94 g/mol
$75.19 - $1105.08
Chemical Identifiers
| CAS | 40372-72-3 |
|---|---|
| Molecular Formula | C18H42O6S4Si2 |
| Molecular Weight (g/mol) | 538.94 |
| MDL Number | MFCD00053751 |
| InChI Key | VTHOKNTVYKTUPI-UHFFFAOYSA-N |
| Synonym | bis 3-triethoxysilyl propyl tetrasulfide, 4,4,15,15-tetraethoxy-3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane, unii-j98v193zry, bis 3-triethoxysilyl propyl tetrasulphide, 3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane, 4,4,15,15-tetraethoxy, silane coupler kh-858, acmc-1akw5, dsstox_cid_9362 |
| PubChem CID | 162012 |
| IUPAC Name | triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane |
| SMILES | CCO[Si](CCCSSSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC |
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
|---|---|---|---|---|---|---|---|---|---|
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
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AA4241006
|
Thermo Scientific Chemicals
04241006 |
5 g |
Each for $75.19
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AA4241014
|
Thermo Scientific Chemicals
04241014 |
25 g |
Each for $227.73
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AA4241022
|
Thermo Scientific Chemicals
04241022 |
100 g |
Each for $609.03
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|
AA4241036
|
Thermo Scientific Chemicals
04241036 |
500 g |
Each for $1,105.08
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Description
Bis[3-(triethoxysilyl)propyl]tetrasulfide is used in radial tires, rubber tire treads, carcass, tire walls, solid rubber tires and other rubber products. It acts as a chemical intermediate and as a cross linking agent. Furthermore, it acts as a coupling agent used to chemically modify silica surface. In addition, it serves as a curing agent for good heat aging.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Chemical Identifiers
| 40372-72-3 | |
| 538.94 | |
| VTHOKNTVYKTUPI-UHFFFAOYSA-N | |
| 162012 | |
| CCO[Si](CCCSSSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC |
| C18H42O6S4Si2 | |
| MFCD00053751 | |
| bis 3-triethoxysilyl propyl tetrasulfide, 4,4,15,15-tetraethoxy-3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane, unii-j98v193zry, bis 3-triethoxysilyl propyl tetrasulphide, 3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane, 4,4,15,15-tetraethoxy, silane coupler kh-858, acmc-1akw5, dsstox_cid_9362 | |
| triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane |
Specifications
| 40372-72-3 | |
| 250°C (decomposition) | |
| C18H42O6S4Si2 | |
| 5 g | |
| Miscible with toluene,primary alcohols,ketones,benzene,chlorinated hydrocarbons,acetonitrile,dimethylformaminde and dimethysulfoxide. Immiscible with water. | |
| CCO[Si](CCCSSSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC | |
| 538.94 | |
| 538.94 | |
| Liquid |
| 1.074 g/mL | |
| 91°C (196°F) | |
| MFCD00053751 | |
| bis 3-triethoxysilyl propyl tetrasulfide, 4,4,15,15-tetraethoxy-3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane, unii-j98v193zry, bis 3-triethoxysilyl propyl tetrasulphide, 3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane, 4,4,15,15-tetraethoxy, silane coupler kh-858, acmc-1akw5, dsstox_cid_9362 | |
| VTHOKNTVYKTUPI-UHFFFAOYSA-N | |
| triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane | |
| 162012 | |
| S 22.3% (typical) | |
| Bis[3- (triethoxysilyl)propyl]tetrasulfide |
Safety and Handling
GHS H Statement
H315-H319-H335-H227
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Combustible liquid.
P210-P235-P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P370+P378q-P501c
H227-H315-H319-H335
EINECSNumber : 254-896-5
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only