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  6. Bis[3-(triethoxysilyl)propyl]tetrasulfide, S 22.3% (typical)

Bis[3-(triethoxysilyl)propyl]tetrasulfide, S 22.3% (typical)

Product Code. 11364558
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Product Code. 11364558

Brand: Thermo Scientific Alfa Aesar 042410.06

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Description

Coupling/cross-linking agent for precious metals | CAS: 40372-72-3 | C18H42O6S4Si2 | 538.94 g/mol

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.

TRUSTED_SUSTAINABILITY

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

Specifications

Density 1.074 g/mL
Boiling Point 250°C (decomposition)
Flash Point 91°C (196°F)
Quantity 5 g
Solubility Information Miscible with toluene,primary alcohols,ketones,benzene,chlorinated hydrocarbons,acetonitrile,dimethylformaminde and dimethysulfoxide. Immiscible with water.
Formula Weight 538.94
Concentration or Composition (by Analyte or Components) S 22.3% (typical)
Physical Form Liquid
Chemical Name or Material Bis[3- (triethoxysilyl)propyl]tetrasulfide

RUO – Research Use Only

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